The red blood cell starts travelling from right pollex and ends its journey at right frontal lobe of brain.
The trace the path that a red blood cell would take as it travels from the following capillary beds are below:
1. Right pollex to left ankle
• The red blood cell first travels from the capillaries in the Right pollex and enters the venule.
• From the venule, it flows through the median cubital vein to the basilic vein.
• It enters the brachial vein and travels through the axillary vein and subclavian vein.
• From the subclavian vein, it enters the left brachiocephalic vein and travels through the superior vena cava.
• Finally, the blood cell enters the right atrium, passes through the right ventricle, the pulmonary artery, lungs, pulmonary vein, left atrium, left ventricle, and aorta, and reaches the left ankle.
2. spleen to left lung
• The red blood cell first travels from the capillaries in the spleen and enters the splenic vein.• It then enters the hepatic portal vein and travels to the liver.
• From the liver, it enters the inferior vena cava.
• Finally, the blood cell enters the right atrium, passes through the right ventricle, the pulmonary artery, lungs, pulmonary vein, left atrium, left ventricle, and aorta, and reaches the left lung.
3. left kidney to right frontal lobe of brain
• The red blood cell first travels from the capillaries in the left kidney and enters the renal vein.
• It then travels through the inferior vena cava to the right atrium.
• From there, the blood cell enters the right ventricle, the pulmonary artery, lungs, pulmonary vein, left atrium, left ventricle, and aorta.
• It then travels through the brachiocephalic artery, the right subclavian artery, the right common carotid artery, and the right internal carotid artery, and reaches the right frontal lobe of the brain.
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Part a:the diagram below shows a cross section of a cell membrane. Describe the basic structure of the cell membrane.
Phospholipid bilayers are the basic building blocks of the membrane.
They form a stable boundary between two water-containing compartments. In a plasma membrane, these two compartments are the interior and exterior of the cell.
A cell membrane is a sheet of double membrane that mainly consists of lipids. These membranes are semi-permeable, meaning that some molecules are able to pass through the lipids bilayer, while others are unable to.
Small hydrophobic molecules (e.g., oxygen or carbon dioxide) pass through membranes rapidly. Similarly, small polar molecules (i.e., water and ethanol) pass through membranes more slowly.
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Should we consider human induced climate change as a form of
violence? Please be sure to explain your answer.
Yes, human induced climate change can be considered a form of violence. Climate change not only has a direct and destructive impact on the environment, but it also has an indirect impact on human lives.
Climate change has a disproportionate impact on marginalized and vulnerable communities, including indigenous peoples, women, and people living in poverty. These communities often lack the resources and resilience to cope with the impacts of climate change, and their basic human rights are frequently violated as a result. For example, climate change can lead to displacement, food insecurity, and the loss of livelihoods. All of these impacts can be seen as forms of violence that are perpetuated by human activity. It is therefore important to view climate change as a social justice issue, as well as an environmental one.
In order to address climate change and its impacts, it is necessary to address the root causes of inequality and injustice that make some communities more vulnerable to its effects than others. This requires collective action, policy change, and a commitment to equity and justice. Ultimately, treating climate change as a form of violence can help to raise awareness about the urgent need to act and the importance of ensuring that climate action is rooted in social justice.
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what are basics of fungi
Answer:
Explanation:
Fungi are heterotrophs and, like animals, obtain their carbon and energy from other organisms.
Answer:
Fungi are a kingdom of mostly microscopic organisms that are closely related to animals. They include spore-producing organisms such as mushrooms, yeast, and molds. Fungi are almost always invisible to the naked eye. Fungi are made up of masses of tubular filaments called hyphae that penetrate and absorb nutrients from the substrates on which fungi grow. Some fungi have extensive networks of hyphae that enable the fruiting body of the fungi to grow very large, such as many species of the shelf, or bracket, fungi
Explanation:
hope it helps-
3. Which organism has DNA located in three organelles?
A. A sponge
B. A fern plant C. A flatworm
D. A bacterium
In a FERN PLANT, DNA is located in three different organelles (Option B).
Plants are organisms that have chloroplasts, mitochondria, and cell nuclei.In a eukaryotic cell, the genetic material (i.e., DNA) is mainly found in the nucleus, which is an organelle bounded by a double-membrane (bacteria don't have nuclei).However, mitochondria and chloroplasts are also membrane-bound organelles that have their own genetic material.Chloroplasts are only found in plants and algae (sponges and flatworms don't have chloroplasts).In conclusion, in a FERN PLANT, DNA is located in three different organelles (Option B is correct).
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Question 5 (2 points)
Which organelles packages and transports material around within and out of the
cell?
Mitochondria
Golgi Apparatus
Nucleus
Ribosome
Answer: Golgi Apparatus plzz mark brainliest
Explanation:
For each glucose that enters glycolysis, _____ acetyl CoA enter the citric acid cycle. For each glucose that enters glycolysis, _____ acetyl CoA enter the citric acid cycle. 4 1 5 0 2
Answer:
For each glucose that enters glycolysis, 2 acetyl CoA enter the citric acid cycle.
Explanation:
SYNTHESIS OF 2Acetyl CoA -:
The glucose is transformed into 2pyruvate (6 carbon molecules are converted into 2 -3 carbon molecules) during glycolysis. In both aerobic and anaerobic respiration, glycolysis occurs frequently. This process takes place in the cytoplasm (it does not require oxygen or mitochondria), but if both oxygen and mitochondria are present, two molecules of pyruvate join mitochondria and prepare for citric acid cycle.
Until entering this, the molecules go through a mechanism known as the linked (connects glycolysis with citric acid cycle) reaction, in which the pyruvate molecule is transformed into 2 acetyl CoA (meaning 3 carbon molecules are converted into 2 carbon molecules) and a carbon molecule is released in the form of [tex]2CO_2[/tex] (waste product).
2NAD+ and NADH are synthesized in the linked reaction, implying that reducing power is produced. It means that electrons from pyruvate are released in the form of hydrogen, which 2NAD+ accepts and reduces to form 2 NADH.
[tex]Glucose[/tex] → [tex]2pyruvate[/tex] → [tex]2Acetyl CoA[/tex]
Linked reaction is also known as oxidative -dicarboxylation.
Hence, 2 Acetyl CoA is required to enter citric acid cycle.
What was the estimated carrying capacity of the Kaibab plateau in 1905?
The average carrying capacity of the range was estimated to be about 30,000 deer.
Answer:
In 1905, the deer population on the Kaibab Plateau in Arizona was estimated to be about 4,000 on 300,000 hectares of range. The average carrying capacity of the range was estimated to be about 30,000 deer.
Explanation:
Which correctly lists the terms in order of increasing complexity? (I will give brainliest to the first person who answers)
A. population, community, ecosystem, biosphere
B. community, population, ecosystem, biosphere
C. biosphere, ecosystem, community, population
D. ecosystem, biosphere, community, population
Answer:
C
Explanation:
The order goes as;
Biosphere, Ecosystem, Community, Population.
Character displacement is likely to _______ the competition coefficients in two competing species and to _______ resource partitioning. (Explain your answer please)
a) increase; increase b) increase; lower c) increase; eliminate d)lower; increase e) lower; lower
Character displacement is likely to "increase" the competition coefficients in two competing species and to "lower" resource partitioning, option (b) is correct.
Character displacement refers to the evolutionary process in which competing species develop differences in their characteristics to reduce competition and facilitate coexistence. When character displacement occurs, the competing species evolve divergent traits that reduce overlap in resource use, resulting in a decrease in resource partitioning. This decrease in resource partitioning indicates a lower level of differentiation in resource utilization, as the species are avoiding direct competition by occupying distinct ecological niches.
At the same time, character displacement leads to an increase in competition coefficients between the species. The divergent traits acquired through character displacement enhance the competitive advantage of each species in their respective niches, increasing their ability to outcompete one another, option (b) is correct.
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Which best describes how to classify water?
A It is an element because it is made
from a pure substance.
В
It is a compound because it is made
of a single kind of molecule.
© It is a mixture because it is composed
of more than one molecule.
D It is a solution because it is a
homogenous mixture of different
compounds.
Answer:
D
Explanation:
Water is a compound and scientifically known as H[tex]_{2}[/tex]0 (2 hydrogen atoms and 1 oxygen). Therefore, the answer is...
Not A because water is not an element of one pure substance; rather, it is a compound and can be broken down into two pure substances.Not B because the statement contradicts itself: a compound is made of different atoms and, thus, different molecules.Not C because a mixture contains different substances that are physically -- not chemically -- combined. And as we know, water is a compound, which means that its atoms are chemically bonded to one another. Or else it would just be 2 free hydrogen atoms and 1 oxygen.D (yay!) because it is not the *most* accurate, but simply the best description of those provided. Water can be described as a homogenous (uniform in appearance) mixture because, minus the "mixture" part, that's what it is, essentially: a substance that looks pure but is really made of up different molecules.Ngl this was tricky, but I hope this helps :)
Enzymes are composed of what organic molecule?
a. sugars
b. DNA
c. proteins
d. lipids
Answer:
Proteins
Explanation:
Among the organic macromolecules, enzymes belong in the category of proteins. Proteins are distinct from carbohydrates, nucleic acids, and lipids in that a protein is made of amino acids. Amino acids link together into a chain that can fold into a three-dimensional shape.
A scientist observes the cells of a newly discovered organism under a microscope. The organism has mitochondria, a cell wall, lysosomes, and ribosomes. Is this organism a plant or an animal, and how do you know? A. The organism is a plant, because it has lysosomes. B. The organism is an animal, because it has mitochondria. C. The organism is a plant, because it has a cell wall. D. The organism is an animal, because it has ribosomes.
Answer:
think the answer is:
C. The organism is a plant because it has a cell wall.
Explanation:
only plant cells have Cell Walls
7. Based on what you know about Carbon Dioxide (look at the definitions section) and the Description of the Landscapes, how did the amount of Carbon Dioxide in the atmosphere increase over time? 8. Carbon Dioxide and Water vapor are greenhouse gases. How do greenhouse gases act like the glass in greenhouses?
Answer: Carbon dioxide levels today are higher than at any point in at least the past 800,000 years. Global atmospheric carbon dioxide concentrations (CO2) in parts per million (ppm) for the past 800,000 years. ... Carbon dioxide concentrations are rising mostly because of the fossil fuels that people are burning for energy. The large numbers of land animals raised to feed the Earth's growing population results in increased carbon dioxide levels in the atmosphere due to farming practices and respiration and methane production. This is another example of how human activity indirectly affects biogeochemical cycles in a significant way. 8. Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of a greenhouse. These heat-trapping gases are called greenhouse gases. During the day, the Sun shines through the atmosphere. Earth's surface warms up in the sunlight. Greenhouse gases let the sun's light shine onto the Earth's surface, but they trap the heat that reflects back up into the atmosphere. In this way, they act like the insulating glass walls of a greenhouse.
Explanation:
Control-part of the body that determines what to do with the information about the change in setpoint (I will give brainliest)
Answer:
Hypothalamus
Explanation:
The hypothalamus is involved in different daily activities like eating or drinking, in the control of the body's temperature and energy maintenance, and in the process of memorizing and in stress control. It also modulates the endocrine system through its connections with the pituitary gland.
A man has type AB+ blood who has a who is heterozygous for the Rh factor. A woman has type O+ blood
and is heterozygous for the Rh factor.
a. What are the chances the offspring is type A blood? ______
b. What are the chances the offspring is type B blood? ______
c. What are the chances the offspring is type AB blood? ______
d. What are the chances the offspring is type O blood? ______
e. What are the changes the offspring is +? ______
Answer:
A, 1/2
B, 1/2
C, 0
D, 0
E, 1/1
Explanation:
With O+ and AB+ the only possible combinations, via a punnett square, are A+ and B+.
Select the 3 reasons that can impact fertility rate in different regions.
A .Social Structures
B. Education
C. Sustainable Resources
D. Access to Medicine
Answer:
A .Social Structures
B. Education
D. Access to Medicine
Explanation:
Answer:
A B D
Explanation:
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Which of the following is the broadest taxonomic category?
A
phylum
B
class
C
genus
D
domain
Answer:
I think it's A- phylum, hope this helps
State the most probable cause for each of the following scenario:
A student is having difficulty interpreting the reagent strip color reactions on a thick orange specimen.
The most probable cause for a student having difficulty interpreting the reagent strip color reactions on a thick orange specimen is a large amount of urobilinogen.
What are reagent strips?Reagent strips, also known as urine dipsticks, are used to check for various substances in urine. They are thin, plastic strips with pads on the end that are coated with chemicals that react with substances in the urine.
When urine comes into touch with the pads on the reagent strips, the chemical coating on the pads changes color to indicate the presence of particular substances in the urine. The colors of the pads on the strips are compared to a color chart to determine the amounts of substances in the urine.
Therefore, if a student is having difficulty interpreting the reagent strip color reactions on a thick orange specimen, the most probable cause is a large amount of urobilinogen. Orange or brown urine with a high amount of urobilinogen, which is caused by an excessive breakdown of red blood cells, might cause the color of the specimen to become thick orange. This might make it tough for a student to interpret the color reactions of the reagent strips.
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why do scientists classify and organize organisms
hi please help i’ll give brainliest thanks
Answer:
B winter
Explanation:
I hope I helped
Cause if the south is oriented towards the sun that means it's summer and the oppsite of summer is winter
Why do the temperatures change over the months?
O A. Because the Moon is tilted on its axis, it reflects more sunlight on Earth during different times of Earth's yearly orbit.
B. Because the Sun is tilted on its axis, parts of Earth get more sunlight during different times of Earth's yearly orbit.
O C. Because Earth is tilted on its axis, the stars reflect more light during different times of the Earth's yearly orbit.
D. Because Earth is tilted on its axis, parts of Earth get more hours of sunlight during different times of Earth's yearly orbit.
Answer:
Answer
Explanation:
B because the more the sun is titled the more heat=different season.
Because Earth is tilted on its axis, parts of Earth get more hours of sunlight during different times of Earth's yearly orbit. As Earth orbits around the Sun, its axis is tilted at an angle of about 23.5 degrees. Hence the correct option is D.
Why do the temperatures change over the months?The temperatures change over the months primarily because of Earth's axial tilt. As the Earth rotates around the sun, the angle at which sunlight hits different parts of the Earth changes.
This is because the Earth's axis is tilted about 23.5 degrees relative to its orbit around the sun. When a particular hemisphere is tilted toward the sun, it receives more direct sunlight, resulting in warmer temperatures.
Conversely, when that hemisphere is tilted away from the sun, it receives less direct sunlight, resulting in cooler temperatures. This cycle repeats itself annually, causing changes in temperatures over the months.
Hence the correct option is D.
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If puberty begins for girls with the onset of menstruation, puberty could be considered a matter of:
If puberty begins for girls with the onset of menstruation, puberty could be considered a matter of biological development and maturation.
Puberty is a natural and normal process that occurs during adolescence and involves various physical, physiological, and hormonal changes in both boys and girls. It marks the transition from childhood to adulthood, during which individuals experience significant growth and development.
For girls, the onset of menstruation, known as menarche, is one of the key indicators that puberty has started. Menstruation is a biological process that reflects the maturation of the reproductive system and the ability to conceive and bear children.
However, it is important to note that puberty encompasses more than just menstruation. It involves a series of changes, including the development of secondary sexual characteristics (such as breast development and the growth of pubic hair), changes in body composition, hormonal fluctuations, and the maturation of reproductive organs.
Therefore, while the onset of menstruation is an essential aspect of puberty for girls, puberty itself is a broader concept that encompasses a range of physical, physiological, and hormonal changes that occur during adolescence.
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Human Eye ModelExperiment 1: Optics of the Human Eye Part 2: Accommodation In the process of accommodation, muscles in the eye change the shape of the crystal- line lens to change its focal length. Initially, you will model accommodation by vary- ing the focal length of the crystalline lens using the adjustable focus lens. Later, when the model is filled with water, accommodation is achieved by replacing the crystalline lens with fixed lenses of various focal lengths. Procedure Note: If you have not done so yet, follow the instructions of page 5 to fill the adjustable focus lens with water. 1. Do not fill the eye model with water yet. Replace with lens in the SEPTUM slot with the adjustable focus lens. Position the eye model about 25 cm from the illu- minated screen Can you see the image on the retina? Move the syringe plunger to adjust the lens and form the clearest image possible. Is the lens concave or convex? Is it a converging lens or a diverging lens? 2. Move the eye model farther from the illuminated screen to about 50 cm. Adjust the lens again to form the clearest image. Did you increase or decrease the power of the lens? Did you increase or decrease the focal length? 3. Replace the adjustable focus lens with the +400 mm lens in the SEPTUM slot. Adjust the distance of the illuminated screen to form a clear image. Mark the position of the eye model so you can retum it to the same place after you fill it with water. 4. Fill the eye model with water to within 1 or 2 cm of the top. Return it to the same position as in step 3. Is the image still in focus? Try changing the distance, can you get it to focus? Explain what effect do the aqueous and vitreous humors (modeled by the water) have on the focal length of the eye's lens system? 5. Place the eye model about 35 cm from the light source, Replace the +400 mm lens in the SEPTUM slot with the +62 mm lens. Is the image in focus now? Move the eye model as close as possible to the light source while keeping the image in focus. Describe the image on the retina screen 6. Measure the object distance, o, from the screen of the light source to the top rim of the eye model, as pictured below. (The front of the rim is a convenient place to measure to and marks the center of the eye model's two-lens system.) Record this distance, which is the near point of the eye model when equipped with the +62 mm lens. The average human eye has a near point for distinct vision of about 25 cm tak +62 mm Lens
The experiment demonstrated the adjustments needed for achieving a clear image in the optics of the human eye model. The lens selection, positioning, and introduction of water mimicked the effects observed in a real eye.
Experiment 1: Optics of the Human Eye
1. The lens in the SEPTUM slot is replaced with the adjustable focus lens. The eye model is positioned about 25 cm from the illuminated screen.
If the image is not visible on the retina, the syringe plunger is moved to adjust the lens and to create the clearest image possible. The lens is convex and is a converging lens.
2. The eye model is moved farther from the illuminated screen to approximately 50 cm. The lens is adjusted to create the clearest image. The power of the lens has decreased, and the focal length has increased.
3. The adjustable focus lens is replaced with the +400 mm lens in the SEPTUM slot.
The distance between the illuminated screen and the eye model is adjusted to produce a clear image. The position of the eye model is marked so that it can be returned to the same position after it is filled with water.
4. The eye model is filled with water to approximately 1-2 cm from the top. It is returned to the same position. The image is still in focus. It is possible to adjust the distance to obtain a focused image.
The aqueous and vitreous humors, represented by water, have a significant impact on the eye's lens system's focal length. They serve to improve the focal length of the lens by providing a uniform refractive medium for the light to pass through.
5. The eye model is positioned roughly 35 cm from the light source. The +400 mm lens in the SEPTUM slot is replaced with the +62 mm lens. The image is in focus now.
The eye model is brought as near to the light source as possible while still keeping the image in focus. The image on the retina screen is vivid.
6. The object distance is measured from the screen of the light source to the top rim of the eye model. The near point of the eye model is around 25 cm when using a +62 mm lens. The near point of a human eye is about 25 cm, indicating that the eye model is a good representation of a real eye.
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The best example of "cradle to cradle" product reuse is
Select one:
a. Melting down plastic bottles to make folding chairs
b. Sterilizing used pickle jars and refilling with pickles for resale
c. Using aluminum cans to make lightweight car parts for better gas mileage
The best example of "cradle to cradle" product reuse is using aluminum cans to make lightweight car parts for better gas mileage so the correct answer is option (c).
Cradle to Cradle refers to a way of thinking about and designing systems that mimic the circularity of natural systems. In contrast to the "cradle to grave" linear model of resource consumption, where items are produced, used, and then disposed of, cradle-to-cradle design is intended to produce products and services that can be used and then reused, repeatedly returning to the "cradle" of the design process. In short, the aim of cradle-to-cradle design is to create products and systems that function like living systems, where everything is a resource for something else.To create a circular, regenerative economy, cradle-to-cradle design advocates for the implementation of three principles: waste equals food, use clean and renewable energy, and celebrate diversity.
Companies that embrace these principles are working to eliminate the concept of waste by either returning everything to the soil as safe, biodegradable nutrients or repurposing waste as a resource for new products. Recycling is one way to repurpose waste, but cradle-to-cradle design takes things further, prioritizing the use of materials that can be recycled over and over again or that can be safely composted or biodegraded. Furthermore, rather than downcycling products, in which the recycled material is of lesser quality than the original product, cradle-to-cradle design encourages the creation of products that can be infinitely recycled or upcycled.
Therefore, using aluminum cans to make lightweight car parts for better gas mileage is the best example of "cradle to cradle" product reuse.
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When a dog chases a rabbit, which combination of body systems work together to supply the animals' muscle cells with the materials they need for energy?
A.Excretory, nervous, digestive
B.Muscular, circulatory, immune
C.Integumentary, digestive, endocrine
D. Digestive, circulatory, respiratory
Answer:
B. Muscular, circulatory, immune
Explanation:
Muscular helps the dog to move and later catch the rabbit.
Circulatory has to do with the blood flow inside the body, helps with oxygen move in the body too.
Immune is, I'm only assuming, helping the dog avoid any sickness and infections when, later, eating the dog.
The nucleotides on the mRNA will be "read" in the next step to producing a polypeptide. What sequence of bases indicates the starting point for the polypeptide "blueprint"?
The sequence of bases on mRNA that indicates the starting point for the polypeptide "blueprint" is called the start codon. In most cases, the start codon is AUG, which codes for the amino acid methionine.
During the process of translation, the ribosome binds to the mRNA molecule and scans along its sequence until it reaches the start codon. The start codon serves as a signal for the ribosome to initiate protein synthesis. Once the ribosome recognizes the start codon, the process of translation begins, with subsequent amino acids being added to the growing polypeptide chain according to the sequence of codons on the mRNA.
It is important to note that while AUG is the most common start codon, there are also alternative start codons in certain cases. For example, GUG and UUG can function as start codons in some organisms or under specific conditions.
The start codon, typically AUG, marks the beginning of the protein-coding region on the mRNA and serves as the starting point for the synthesis of a polypeptide chain during translation.
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The diagram below shows the first four steps of meiosis.what's is happening in step labeled c?
As the lock for the door opens you enter another room. This one has plain cement walls with huge silver and copper pipes running from floor to ceiling. The room reminds you of a basement mechanical room even though you have just gone upstairs. Everywhere there are old wooden crates and piles of gears of all sizes, springs, gages and the hands of old clocks. As you gaze around the door you just entered closes and will not open. (and even if it would you are not sure of what has happened to the Antique Dealer and maybe there is some danger that way.) Someone in the group checks their phone but there'is no signal. Maybe all this cement and metal is blocking your signal. Next to another door is an interesting framed collage made of miscellaneous gears and pieces.
A safe room can be the difference between life and death during a home invasion. While a home security system is extremely important for immediately contacting law enforcement, a safe place for anyone inside to wait for the police is necessary. It can always be a great place to store valuables that you do not regularly use, like having
How could you use the treated wastewater to recharge the aquifer?
Answer:
QUESTION:
How could you use the treated wastewater to recharge the aquifer?
ANSWER:
Treated wastewater could be used to recharge the local aquifer by discharging the treated water into an area with permeable sediments that overlies the aquifer. The treated wastewater would flow through the permeable sediments and into the aquifer, from which it could be pumped again for use in homes and businesses.
Explanation:
I hope that this helps you out! :)
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How do toothed whales produce general communication sounds?
Answer:Toothed whales do not make the long, low-frequency sounds known as the whale song. Instead they produce rapid bursts of high-frequency clicks and whistles. Single clicks are generally used for echolocation whereas collections of clicks and whistles are used for communication.