a cockroach is a fast-moving insect. how can an animal with an open circulatory system be so speedy?

Answers

Answer 1

Cockroaches have 6 legs and each leg has 3 knees, 18 knees in total. Since the cockroach has so many joints in its legs its can accurately pick up speed when running away from something

Answer 2

An animal like a cockroach with an open circulatory system is so speedy because in these organisms tracheal system delivers oxygen throughout the body.

What is an Open circulatory system?

An open circulatory system may be characterized as a type of circulatory system in which blood vessels are completely absent and blood generally flows freely through the cavities of the body. This type of circulatory system is present in arthropods.

Due to the absence of blood vessels, the flow of blood is extremely high in animals that have an open circulatory system. Apart from this, in cockroaches, oxygen is carried out through the tracheal system because of the absence of the lungs. So, it makes the process so speedy.

Therefore, an animal like a cockroach with an open circulatory system is so speedy because in these organisms tracheal system delivers oxygen throughout the body.

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Related Questions

in what generation does this population reach its carrying capacity

Answers

Answer:

The logistic population growth happens as the growth rate declines as the population exceeds the carrying power. The highest number of people in a community that the ecosystem can sustain is carrying capacity.

Explanation:

A population may reach its carrying capacity in any generation, depending on a variety of factors such as the availability of resources, predation, competition for resources, and other ecological and evolutionary processes.

What is carrying capacity?

The carrying capacity of a population is the maximum number of individuals that can be supported by a particular environment over a given time period. A population may reach its carrying capacity in any generation, depending on a variety of factors such as the availability of resources, predation, competition for resources, and other ecological and evolutionary processes.

For example, if a population of animals is introduced to a new habitat with abundant resources, it may be able to grow rapidly and reach its carrying capacity relatively quickly. On the other hand, if the population is facing competition from other species or is subjected to predation or other limiting factors, it may take longer for the population to reach its carrying capacity.

It's important to note that the carrying capacity of a population is not a fixed value, and it can change over time due to changes in the environment or the population's own characteristics. For example, if the population grows to a size that exceeds the carrying capacity of its environment, it may begin to experience negative impacts such as resource depletion, disease outbreaks, or other factors that can reduce its size and bring it back down to the carrying capacity.

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the process of bacterial reproduction is referred to as

Answers

Answer:

binary fission

Explanation:

Describe the role that rivers and streams play in the water cycle.​

Answers

Rivers and streams carry water, and pick up runoff water after precipitation. Rivers and streams are a source of water to be evaporated into clouds.

4) A change in the natural sequence of bases in DNA structure is called a

Answers

Answer:

Mutation

Explanation:

A mutation is a change in the sequence of genetic letters, called bases, within a molecule of DNA.

what is the funtion of the cilia​

Answers

The function of cilia is to move water relative to the cell in a regular movement of the cilia. This process can either result in the cell moving through the water, typical for many single-celled organisms, or in moving water and its contents across the surface of the cell.

What does a plant need to create a glucose molecule in photosynthesis?

Choose all correct answers.


carbon dioxide

sunlight

water

oxygen

Answers

Answer:

carbon dioxide, water, sunlight

A. B. And C. plants don’t need oxygen to survive

Is DNA replication the same as cell replication? Or are they two different things?

Answers

DNA replication and cell replication both ate different but are connected to each other

in DNA replication the amount of genetic material become double but in cell division a cell divided into two parts and amount of protoplasm and cytoplasm both get half

A patient has had a serious accident and lost a lot of blood. In an attempt to replenish body fluids, distilled water, equal to the volume of blood lost, is transferred directly into one of his veins.



What will be the most probable result of this transfusion?



A.
It will have no unfavorable effect as long as the water is free of viruses and bacteria

B.
The patient’s red blood cells will burst because the blood fluid is hypertonic compared to the cells

C.
The patient’s red blood cells will shrivel up because the blood fluid is hypotonic compared to the cells

D.
The patient’s red blood cells will swell because the blood fluid is hypotonic compared to the cells

Answers

Answer:

I think its B. because the patients red blood cells will burst because the blood is hypertonic compared to the cells

Which is the most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources

Answers

The most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources are solar panels, electric vehicles, and energy-efficient appliances.

What do you mean by Nonrenewable energy?

Non-renewable energy may be defined as that energy that will run out or will not be replenished for thousands or even millions of years.

Increase the use of electric and hybrid vehicles, install solar panels in a large amount, excessive use of energy-efficient appliances in the home, and the three R's are the most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources.

Therefore, it is well described above.

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Which of the following characteristics least relates to eukaryotic cells?
cells that do not have a nucleus or membrane bound organelles.
cells that have a nucleus and membrane bound organelles.
Fungi
Protists

Answers

Cells that do not have a nucleus or membrane bound organelles

In a laboratory experiment, researchers placed guppies in three different types of pools: no predation, low predation, and high predation. Researchers hypothesized that predation is a selective force and that large, brightly colored guppies are more conspicuous to predators. Based on that, what would predict the guppies will look like in the pool with high predation after 10 generations?
A) They should be smaller and not very brightly colored
B) They should be large and brightly colored
C) They should be very small and very brightly colored
D) They should be very large but not very brightly colored

Answers

Answer:

A) They should be smaller and not very brightly colored

Explanation:

I just took the test. Good luck friend!

green plants use _______ and ________ as raw materials for photosynthesis​

Answers

Answer:

Water and carbon dioxide.

Explanation:

Which of the following is an example of a bond being traded on the secondary market?

Answers

Answer: D

Explanation: An investor sells a bond to another investor

An example of the secondary market is the investor sells a bond to another investor.

What is the secondary market?

The secondary market is the market where the investor purchases and sells the securities.

An example could be the stock market.

Here the securities are traded when the company has been sold to provide on the primary market.

hence, An example of the secondary market is the investor sells a bond to another investor.

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how would a plant be affected by immersion in a 5% salt solution?

Answers

Answer:

A person’s cells would also lose water that they need for normal life functions, which would disrupt homeostasis (a stable internal environment) causing that person’s cells and eventually that person to die!

Explanation:

what occurs during a point (substitution) mutation?

Answers

Answer:

A point mutation or substitution is a genetic mutation where a single nucleotide base is changed, inserted or deleted from a DNA or RNA sequence of an organism's genome.

Explanation:

Hope this helps!

Which molecule is a product of respiration?
A. carbon dioxide
B. protein
C. glucose
D. oxygen

Answers

Answer:

A

Explanation:

respiration is the process by which living organisms(animals) take in oxygen a d give out carbon dioxide. this is not used for plants because plants take in carbon dioxide and give out oxygen

Which of the following gives bones their rigidity?

Answers

Answer:

b. Minerals

Explanation: is correct

Some researchers argue that the robust australopiths should be classified in a separate genus. What is that genus called

Answers

Answer: Researchers argue that robust Australopithecines should be classified in a separate genus called Paranthropus.

Explanation:  The "robust" australopiths are a group of fossil hominins that existed in East and southern Africa between approximately 2.5 and 1.4 million years ago (Ma). They are referred to here as members of the genus Paranthropus, though considerable disagreement about their proper taxonomy persists. (credit to the internet)

which joint is considered the most flexible joint in the body?

Answers

Answer:

The shoulder.

Explanation:

The shoulder is the most flexible joint in the body, making it the most susceptible to instability and injury. This mobility provides the upper extremity with tremendous range of motion. The shoulder join is also known as a 'ball-and-socket' joint.

green and yellow wavelengths of light are not useful to most plants.

Answers

The answer here is True

The statement that green and yellow wavelengths of light are not useful to most plants is incorrect. In fact, green and yellow wavelengths of light are essential for plant growth and photosynthesis.

Plants primarily capture light energy for photosynthesis using specialized pigments called chlorophylls, which are most efficient at absorbing light in the red and blue regions of the spectrum. As a result, the green wavelengths of light are reflected rather than absorbed by chlorophyll, giving plants their characteristic green color.

While it is true that green light is less absorbed by chlorophyll compared to other wavelengths, it still plays a vital role in photosynthesis. Green light is still partially absorbed and contributes to energy transfer within the plant, helping drive the photosynthetic process.

Moreover, certain types of plants, such as shade-tolerant plants or plants adapted to low-light conditions, have chlorophyll pigments that are more efficient in capturing green and yellow wavelengths of light. These plants can utilize a broader range of light wavelengths for photosynthesis, including green and yellow light.

Therefore, green and yellow wavelengths of light are indeed useful to most plants. While red and blue light are more efficiently absorbed, green and yellow light still contribute to the energy needs of plants and play a role in photosynthesis.

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which farm animal has the largest eyes of any land mammal?

Answers

Answer:

The horse

Explanation:

The horse, being a farm animal, has the largest eyes of any land animal; the eyes of a horse are about 1.34 inches diameter wise.

I hope this helped!! ^v^

Which of the following metabolic processes uses the most energy?
A. Growth and repair
B. Digestion
C. Exercise and warmth
D. Excretion

Answers

Answer:

Explanation:

Answer would be c

Answer:

Growth and repair (A)

Explanation:

Growth and repair takes up 70% of energy. Hope this helps! :)

which statement concerning rare threatened or endangered species is true

Answers

These species are fully protected by law. When should a hunter begin to get in shape for a hunt?

The main structural distinction between the left atrium and the right atrium is that the left atrium has the _____, and the right atrium does not.
a. auricle
b. pectinate muscles
c. cardiac muscles
d. chordae tendinae

Answers

Given our understanding of cardiac anatomy, we can confirm that the main structural distinction is that the right atrium has the pectinate muscles, while the left one does not.

Firstly, we must address that there is a wording issue with the question. In reality, it is the right atrium that contains the pectinate muscles. The remaining options either correspond to both atrium, or neither.

The auricle is another word for ear. This is a cavity present on both the right and left atrium which allows them to extend their blood carrying capacity in situations of need. This option cannot be correct for the question since both atria possess one.

As for options b and c, cardiac muscle is present in the entirety of the heart. Cardiac muscle is the muscular cells that make up every wall and cavity of the heart and allow it to complete its unique function. Chordae tendinae, are fibers present in the ventriculus that attach the walls to the tricuspid valve, these are not present in either of the atria.

Therefore, we can confirm that though the wording is off, the intended correct answer is pectinate muscles, given that the right atrium is characterized by their presence, whilst the left atrium contains few, if any, of these muscles.

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Answer: Auricle

Explanation: Just took the test

is this correct ? ...​

Answers

Answer:

The compression-ventilation ratio for CPR is 15 compressions to 2 ventilations. So the answer here is 4, not 2.

Look at the picture below.



What macromolecules make up most of the structure that is shown?

Answers

Answer:

there is not a picture ....................

Answer:

B: Lipids

Explanation:

cause

If you take a freshwater animal and transfer it to seawater for 60 days, what do you expect to see when you perform immunocytochemistry

Answers

Answer:

Explanation:

You could expect the to die because fresh water animals need fresh water to survive and seawater animals need sea water to surrive

The bright color pigment of some frogs serves as a warning to predators. This chemical defense is known as ___.

Answers

Answer:

A pose mat is m

Explanation:

I searched it , but basically a pose mat i s m is when an animal is brightly coloring to warn predators that it is not worth eating.

Put the first word together, brainly wont let me post

The bright color pigment of some frogs is processed as a warning to vampires. This chemical defense is understood as poisonous.

What is Chemical defense?

These bright colors serve as a warning to predators: "Don't consume me; because it is poisonous." In this consideration, frogs aren't overhead bluffing.

Some nonpoisonous species of frogs have assumed the colors of poison dart frogs to trick vampires into offering them an expansive berth they don't earn.

This technique is prompted by melanin, a dark pigment. These frogs usually combine in with their surroundings and their skin functions as camouflage.

Different anurans are brightly embroidered. When If the bright colors alternate with opaque splotches the coloring may serve as a warning to predators that the frog or toad is poisonous.

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How can regular participation in physical activity improve an individual's overall health?
A.
Regular participation in physical activity reduces the risk of developing various diseases.
B.
Regular participation in physical activity allows an individual to function on less sleep.
C.
Regular participation in physical activity reduces the need for a balanced diet.
D.
Regular participation in physical activity prevents an individual from developing certain diseases.


Please select the best answer from the choices provided.

A
B
C
D

Answers

Answer:A

Explanation:

Rank the following according to size from smallest to largest: univierse, stars, galaxies

Answers

1) Star

2) Galaxies

3) Universe

Explanation:

Please mark as brain list

Answer:

In this order.

Star

Galaxy

Universe

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express (25 1/2) ^3 in simplest radical form Outliers have very little or no effect on which of the following check all that apply mean median mode range or standard deviation What do you and your friends typically do every week? Write five sentences describing what you do.Only choose from these verbs to make your sentences: ayudar, bailar, cantar, comprar, escuchar, estudiar, hablar, nadar, necesitar, terminar, trabajar, usar, viajar or visitar.Use a different verb for each sentence and show variation of subject pronouns (I, you, he, she, we, they). Be sure to conjugate your verbs correctly. Your sentences can be short and simple. If necessary, feel free to use a dictionary for one or two words that you may need but don't know just yet. What wartime circumstances strengthened the Prohibition movement? A jacket is on sale for 20% off. Theoriginal price is $60. What is the newprice? Show your work. 2. Draw 3 different polygons that have only 2 lines of symmetry help me to write the following sentence in the passive. 7. Who is going to open the festival? PLEASE ANSWER NEED HELP!!!!!!!! PLEASE THE CORRECT ANSWER!!!!!!While exercise generally benefits all of the glands, why is it particularly beneficial for the pancreas?A. Exercise increases the levels of the hormones that the pancreas produces.B. Physical activity positively impacts blood sugar, giving the pancreas less work.C. The pancreas can only properly regulate hormones when the body is in motion.D. The pancreas is structured more like a muscle than a gland, so it benefits from stretching.PLEASE NO LINKS Cul afirmacin es una idea central del artculo?ALas actividades extracurriculares deben incluirse en su lista de objetivos anuales.BLa lectura es un pasatiempo que se disfruta ms en un entorno de estudio adecuado.CExiste material en lnea que le puede ayudar a hacer un plan para el ao escolar.DDedicar un tiempo a planear antes de empezar el ao escolar puede traerle grandes beneficios. How do you graph an equation using x and y intercepts. The appeal that normally deals with the setting of an argument is referred to as please help me answer these questions 30 points What does communicable mean?A. Cannot be passed from one person to another B. Can be passed or spread from one person to another Pls help I will put brainlist if u help me told nd thank u read sddddddddddxfcgvhbjnkml, Of the sheep discussed in the presentation, which of the following has the heaviest and largest horns?O Desert BighornsO AoudadO Rocky Mountain BighornO Pronghorn Write the balanced molecular chemical equation for the reaction in aqueous solution for ammonium sulfate and iron(II) chloride. If no reaction occurs, simply write only NR. 1 2 3 4 5 6 7 8 9 0 + ( ) (s) (l) (g) (aq) Ir N Fe O Am Cl NR S H Ch Reset Phosphorus reacts with oxygen to form diphosphorus pentoxide: 4 P(s) 5 O 2(g) ---> 2 P 2O 5(s) If 0.97 moles of phosphorus are reacted how many moles of P 2O 5 are produced Help help help help help help which example is most clearly changing the medium of a story?A. Casting different actors to play the same partB. Going over a text to fix sentence-level errors C. Re-recording a movie scene to correct mistakes D. Streaming a theatrical play to show it online