Answer:
The main difference between Platyhelminthes and Nematoda is that:
Explanation:
Platyhelminthes consists of flatworms with a thin, dorso-ventrally flattened body whereas Nematoda consists of a cylindrical body, which is tapered to fine ends at each end.
27. || The vocal tract. Many opera singers (and some pop singers) have BIO a range of about 2 \frac{1}{2} octaves or even greater. Suppose a soprano's range extends from A below middle C (frequency 220 Hz) up to E-flat above high C (frequency 1244 Hz ). Although the vocal tract is quite complicated, we can model it as a resoNting air column, like an organ pipe, that is open at the top and closed at the bottom. The column extends from the mouth down to the diaphragm in the chest cavity, and we can also assume that the lowest note is the fundamental. How long is this column of air if v=354 m/s ? Does your result seem reasoNble on the basis of observations of your own body?
This is measures by open harmonics frequency.
f= n*V/(4*1)
What is frequency?
Frequency refers to the number of waves that pass a fixed point in unit time. Frequency is denoted by the symbol f, and is measured in hertz (Hz).
Given,
f=220
velocity= 354 m/s
=> 220 = (nl)*(354)/(4*1)
=>1244 = (n2)*(354)/(4*1)
=> n2/n1= 5.65
=> n1=1, n2=6
=> = 40 cm (final answer).
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In what way do the oceans and the forests perform a similar function in the carbon cycle, under normal conditions?
A.
Both use carbon dioxide to make food.
B.
Both take carbon dioxide out of the atmosphere.
C.
Both enrich carbon by turning it into carbon dioxide.
D.
Both create the carbon needed by the organisms living in them.
According to the research, the oceans and the forests perform a similar function in the carbon cycle that is taking carbon dioxide out of the atmosphere.
What is the carbon cycle?It is the biogeochemical process in which carbon circulates through the atmosphere, the oceans and the surface and interior of the Earth.
The oceans are considered the largest sinks of carbon, in its organic and inorganic forms, it is governed by physical and biological processes that act by increasing the concentrations of CO2 within the ocean.
Therefore, we can conclude that according to the research, the oceans and the forests perform a similar function in the carbon cycle that is taking carbon dioxide out of the atmosphere.
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Explain what distruptive selection is
Answer:
"Disruptive selection is a type of natural selection that selects against the average individual in a population. The makeup of this type of population would show phenotypes (individuals with groups of traits) of both extremes but have very few individuals in the middle"
Explanation:
mich is one factor that contributes to the formation of polar, temperate, and tropical zones?
O the angle of the Sun's rays
the direction of seasonal winds
O the presence of prevailing winds
O the movement of wind near a mountain
Sometimes, due to inherited disorders, nerve cells in the muscular system do not function properly. What problems might a person have if he or she had one of these disorders?
Answer: common inhereted disorders are: bad eye sight, bad hearing, and autisim and other nurogical disorders!
Explanation:
Think of a topic of interest to you within the subject of Earth and Space Science. How might the daily activities of a scientist studying that topic or field differ from a chemist, physicist, or biologist? How might it be the same? In what ways would the scientist likely use the scientific method? Which types of data would they likely analyze most often?
Answer:
Lets take Natural disaster has a reference in point
Examples of natural disasters are Earthquakes and Volcanoes
Earthquake is as result of shocks and vibrations within the tectonic plates of the earth. Volcanoes are the eruption of molten magma from within the epicentre to the surface.
An Earth Scientist will want to consider the likelihood of these disasters occuring in a place. He will want to consider the past events , what are the composition of samples that are gathered , the geological terrain of th location.
A physicist on the other hand will be interested in the forces and how to measure the vibrations from earthquakes and earth tremors, what kind of load to resist the impact. It will be the same as the earth sciences in that they will want to gather enough data to mitigate against it impacts and consequences by proposing theories that are vital
The scientist will use the scientific methods to derive equations from data samples. Have samples from different location, observations, inference and reach a conclusion. Qualitative and quantitative data sets
Explanation:
Lets take Natural disaster has a reference in point
Examples of natural disasters are Earthquakes and Volcanoes
Earthquake is as result of shocks and vibrations within the tectonic plates of the earth. Volcanoes are the eruption of molten magma from within the epicentre to the surface.
An Earth Scientist will want to consider the likelihood of these disasters occuring in a place. He will want to consider the past events , what are the composition of samples that are gathered , the geological terrain of th location.
A physicist on the other hand will be interested in the forces and how to measure the vibrations from earthquakes and earth tremors, what kind of load to resist the impact. It will be the same as the earth sciences in that they will want to gather enough data to mitigate against it impacts and consequences by proposing theories that are vital
The scientist will use the scientific methods to derive equations from data samples. Have samples from different location, observations, inference and reach a conclusion. Qualitative and quantitative data sets
5 natural disasters
Insurance tech startup Descartes Underwriting has raised $120 million of fresh funds.The French firm helps businesses protect themselves against climate risks like cyclones.It raised the funds in a Series B round led by Highland Europe and Eurazeo.Natural disasters as a reference point
Examples of natural disasters are Earthquakes and Volcanoes
An earthquake is a result of shocks and vibrations within the tectonic plates of the earth. Volcanoes are the eruption of molten magma from within the epicenter to the surface.
An Earth Scientist will want to consider the likelihood of these disasters occurring in a place. He will want to consider the past events, what are the composition of samples that are gathered, and the geological terrain of the location.
A physicist on the other hand will be interested in the forces and how to measure the vibrations from earthquakes and earth tremors, and what kind of load to resist the impact. It will be the same as the earth sciences in that they will want to gather enough data to mitigate against its impacts and consequences by proposing theories that are vital
The scientist will use scientific methods to derive equations from data samples. Have samples from a different location, observations, inference, and reach a conclusion. Qualitative and quantitative data sets
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During the first week of the menstrual cycle, an egg:
A. La ready to be fertilized
B. Matures in an ovary
C. Travels along a fallopian tube
D Attaches to the wall of the uterus
discuss briefly on the origin of life according to creationists and naturalists
Answer:
Creationists believe that a god created everything in the universe, including all life. Typically they don't believe in evolution; they believe that their deity created every species exactly how it's supposed to be and they don't need to change. They believe that everything in nature happens for a planned reason.
Naturalists believe that everything in the universe happens by chance. They believe in theories like the Big Bang Theory, which states that the universe itself was created by chance. They also believe in evolution - that every species adapts to its surroundings and evolves more desirable traits. Naturalists believe that the first life happened due to the correct conditions coming together by chance to create unicellular organisms, which eventually reproduced, mutated, and evolved into the millions of specialized species that exist on earth now.
While listening to his heart with a stethoscope, the physician noticed a high-pitched, blowing, systolic murmur, heard best directly under the left nipple. A review of Roger's medical records shows no prior history of a heart murmur. What could be causing this new murmur
Answer:
Heart malfunction
Explanation:
high-pitched, blowing, systolic murmur indicates that he was having a heart issue with initial could lead to heart malfunction because normal heartbeats don't have a high-pitched sound or blowing.
what is duct gland...
Answer:
A gland that excretes through a duct
Which of the following subjects was NOT studied by boys in Ancient Athens? A. Math B. Athletics C. Science D. Reading
Answer:
C. Science
explanation:
Because they did not know want Science was
What uses the MOST amount of energy?
A: Reduce
B: Reuse
C: Recycle
D: Throw away
Answer: Recycle
Explanation:
Recycle is the hardest procces, you need to heat up much of the plastic, paper, or glass to make a single vase. Paper needs to be kept for a lon time to dry when reused.
Sensory _____________ respond to stimuli by sending messages to the brain A. Nerve cells, or __________ , are the basic units of the nervous system
Answer:
Sensory _____________ respond to stimuli by sending messages to the brain A.
Organs
Nerve cells, or __________ , are the basic units of the nervous system.
Neurons
Which two natural resources will be most affected as people try to meet the growing demand for food?
Answer:
water and land
Explanation:
I assume this is an open-ended question, so you could make an argument for lots of things, but these are the two most important ones in my opinion. The amount of freshwater on Earth is pretty small, only about 2.5%, and most of that is locked in ice. As the demand for food grows, the demand for water for crops and livestock also grows. This is in addition to the increase in water that is needed for a growing population. Climate change increases this problem because of drought. The second most important resource that will be affected is land. If we need more food, we also need space to grow crops and raise livestock. The available space is also reduced because people need places to live and we need to be able to grow trees for wood to build houses and other buildings. I argue that land and water will be the most in-demand commodities as the population continues to increase.
When you speak naturally to children, you can teach them all of the following except
A. words and language in context.
B. behavior skills.
C. listening skills.
D. language and speaking skills.
Answer: B
Explanation: behaviour is learnt from action not speaking
The right response is C: listening abilities. Adults may teach toddlers a variety of crucial lessons that support language and speech development by speaking naturally to them. Setting a good example for children on how to use language in context is one of the most crucial things adults can do.
What is the deal with the samples ?This entails showing them samples of the language to use in various contexts and encouraging them to use the appropriate nouns and verbs. Children benefit from this because it enables them to appropriately grasp and apply the words they hear.
By giving children examples of appropriate behaviour in various contexts, adults may also assist youngsters in developing their social skills. This can involve things like greetings, apologies, or handling situations.disagreements.
Adults may teach kids how to respectfully communicate their thoughts and feelings. Finally, by engaging in conversation with kids and giving them feedback, adults may aid in their language and speaking development.
This might involve things like teaching kids to express themselves clearly and concisely, correcting grammatical errors, and explaining terms and phrases. However, normal conversation is not an effective way to teach listening skills.
The capacity to listen intently, comprehend what is being said, and respond properly are all parts of listening abilities. These abilities cannot be taught through casual conversation; instead, they require deliberate education and practise.
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Which statements are true about the
nucleus? pick 2
it controls what goes in and out of the cell
it gives the cell shape and structure
it is the brain of the cell and it tells the other cell
parts what to do
it holds the cells DNA
Answer:
It is the brain of the cell and it tells the other cell parts what to do.
It holds the cell's DNA
50 POINTS! Learnings and realizations about Removing Stains
What are your realizations in removing stains?
Explanation:
Stain removal is the process of removing a mark or spot left by one substance on a specific surface like a fabric. A solvent or detergent is generally used to conduct stain removal and many of these are available over the counter
If a friend or family member tells you that a certain supplement works wonders on your immune system. How would you do research to verify their claims? Make sure that you give examples of reliable sources of scientific information.
Answer:
1. Look for the USP or ConsumerLab label
2.Purchase dietary supplements made in the United States and from established outlets
Explanation:
1. Dr. Yeung says that a good way to ensure that a dietary supplement is of high quality and not contaminated or adulterated with other materials is to purchase products with labels
2 Compared to products imported from countries where regulations are unclear or relatively lax, domestically manufactured ones are likely safer, advises Dr. Yeung
If a friend or family member tells you that a certain supplement works wonders on immune system, Look for the USP or Consumer, Lab label and Purchase dietary supplements made in the United States and from established outlets
What is immune system?The Immune System composed of different types of cells and molecules, which protect our body against pathogens.
Pathogens are defined as everything from parasites to fungi, bacteria, viruses and haptens. Haptens are molecules that may cause an immune response when they come in contact with a protein.
These cells and molecules are distributed in all the tissues of the body as well as lymphoid organs, which eliminate or prevent microbial infections to decrease the growth of tumors and start the repairing process of damaged tissues.
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How can two organisms have the same phenotype but different genotypes?
A. One organism is heterozygous, and the other organism is hybrid.
B. One organism is homzygous dominant, and the other organism is heterozygous.
C. One organism is homzygous dominant, and the other organism is homzygous recessive.
D. One organism is heterozygous, and the other organism is homzygous recessive.
Two organisms have the same phenotype but different genotypes when One organism is purebred dominant, and the other organism is heterozygous. So, the correct option is B.
What do you mean by Genotype?Genotype may be defined as the ultimate combination of those alleles which are selected for specific studies.
When an allele is dominant over others, its purebred dominant and heterozygous (hybrid) may have different genotypes but the same phenotype.
Therefore, the correct option for this question is B.
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14. Rats are constantly gnawing on different substances in order to keep
their incisors growing.
A. True
B. False
Answer:
B. False
Explanation:
Rats (and all other rodents) need to gnaw because their teeth never stop growing. They need to be worn down, otherwise they will grow so that they A. grow into the brain, or B. Prevent the animal from eating = starvation
Where do you find most of the water in the human body
Answer:
Up to 60% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.
Explanation:
Hope this helps!!!
Answer:
Most of the water can be found in the heart and brain which is 73% of water, and the lungs which is 83% of water.
how one’s sense of maleness or femaleness develops
Answer:
It is through Gender socialization
Explanation:
Hope this helps!
Modern landfills are required to have ______.
A: No liner
B: A plastic liner
C: A mesh liner
D: A sand liner
Answer:
b
Explanation:
because its waterproof
Answer:
B.It must hqve A plastic liner
Definition of group in science.
Answer:
The word 'Group' in science refers to a column in the periodic table of the chemical elements.
Explanation:
"In a group, the chemical elements have atoms with identical valence electron counts and identical valence vacancy counts." -high school textbook
Hope this helps :)
Have a fantastic day!
Which part of these is a part of feedback loop that results in a cooling effect on the earth
Answer:
The answer is b: part of a feedback loop that results in a cooling effect on Earth
Explanation:
More evaporation of water due to warmer temperatures from various sources such as seas and oceans and even melting of glaciers cause low and thick clouds to form. These thick low clouds later result in rain. In addition, the rain causes the earth’s temperature to cool down.
Healthcare workers are exposed to many different types of patho genic and nonpathogenic micro organisms which body system works together to protect the body from pathogens
The body systems that work together to protect the body from pathogens are the immune system and circulatory system.
What are body systems?Body systems are groups of organs, tissues and cells that act to perform one or more specialized functions.
The immune system is an organ system that acts to protect the body against the entry of pathogenic organisms such as bacteria.
In conclusion, the body systems that work together to protect the body from pathogens are the immune system and circulatory system.
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Surface weather map activity
Anyone ever done this I never understood how to map it
Answer:
Scientists needed a way to convey as much information as possible without making a map completely unreadable. Enter the station plot, an ingenious way to print lots of information in a tiny space. It takes a bit of deciphering to understand, but once you’ve got the hang of it, you can get the gist of a specific location’s weather
Explanation:
Explain the ruminant Process of digestion of animal farm animal?
ANSWER QUICK
How could a doctor test someone for hyperglycemia?
a) Do a cardiac stress test.
b) Check the urine for glucose.
c) Check the blood for sodium.
d) Check the platelet count with a blood draw.
Answer:
the answer is b check the urine for glucose
Hyperglycemia, otherwise known as high blood sugar, can be diagnosed with a blood test such as a fasting plasma glucose (FPG) test, an A1C test, or a fructosamine test. Additionally, hyperglycemia can be identified using a glucose monitor or by drinking a beverage and monitoring the body's glucose response—a test referred to as an oral glucose tolerance test (OGTT).
So, out of the options you provided, checking the urine for glucose (option b) would be one way to test for hyperglycemia. However, there are other tests that can be done as well.
Sorry if I took too long to answer.
HELP ME OUT PLS!!!!!!!!!!!!!!!!
20. Sonja and Amal are building a sand castle at the beach at 3:00pm. When they come back at 8:00 am the next day the sand castle is gone.
Use the diagram to help you explain what happened to their sand castle.
You may type your answer below or record your answer.
The sand castle was gone because
______________
Answer:
The sand castle was gone because the sun was on it so the sand castle disappeared, also the waves of the ocean could of washed it away too.
Explanation:
The sun was on the sand castle and it caused it to disapper, also the waves of the ocean could of washed it away.
Hope this helps :)