Which is the best example of a response to an external stimulus?

drinking water after a long run
avoiding the sun by looking for food at night
a hungry bear hunting for food
falling asleep in the treetops of a forest

Answers

Answer 1

Answer:

its a or b most likely a tho

Explanation:

Answer 2

Answer: B

Explanation:


Related Questions

how would the solar eclipse be different if the moon was moved AWAY from the earth?​

Answers

Answer:

The Sun is completely blocked in a solar eclipse because the Moon passes between Earth and the Sun. Even though the Moon is much smaller than the Sun, because it is just the right distance away from Earth, the Moon can fully blocks the Sun’s light from Earth’s perspective. Sometimes the Moon is far enough away that it doesn't create a total solar eclipse. However, once the Moon's growing orbit takes it approximately 14,600 miles (23,500 km) farther away from Earth, it will always be too far away to completely cover the Sun. That won't happen for a long time though.

Explanation:

https://spaceplace.nasa.gov/total-solar-eclipse/en/

The cacti in this environment survive by spreading out and growing apart from one another. Why do the cacti grow this way?

Answers

Answer:

b b b b b b b b

Explanation:

Answer:

B

Explanation:

How do the characteristics of an organism contribute to their survival?

Answers

Characteristics of an organism contribute to their survival because they all go through obstacles to remain alive. For example, wild animals compete and fight each other for resources like water, food, and habitat just to survive.

This is a picture of a coordinate graph.

Which ordered pair describes a point that is located 4 units to the left of the origin and 6 units below the x-axis?

(4, −6)
(6, −4)
(−4, −6)
(−6, −4)

Answers

Answer:

This is not biology.

Please answer! Will give brainliest!!

Answers

i think it’s a or b but i’m not sure sorry

Answer:

it's b trust me g. mmmmjjehdh

I NEED THIS ASAP!!!! PLEASE!!
___1. Organisms that make their own food A. Chloroplasts
___ 2. Site of photosynthesis B. Aerobic
___ 3. Organism that must consume other organisms C. Glucose
to obtain energy. D. Mitochondria
___ 4. C6H12O6 E. Glycolysis
___ 5. Process requires oxygen F. Cytoplasm
___ 6. Adenosine diphosphate G. ADP
___ 7. During aerobic respiration, the most ATP H. Autotrophs
is produced during this process. I. ATP
___ 8. The anaerobic process of splitting glucose J. Anaerobic
and forming two molecules of pyruvic acid K. Electron Transport Chain
___ 9. Place where glycolysis occurs L. Heterotroph
___10. Place where the Krebs cycle occurs M. Mitochondria
___11. Process does not require oxygen
___12. Energy storing molecule

Answers

Answer:

___ 1. Organisms that make their own food

H. Autotrophs

___ 2. Site of photosynthesis

A. Chloroplasts

___ 3. Organism that must consume other organisms to obtain energy.

L. Heterotroph

___ 4. C6H12O6

C. Glucose

___ 5. Process requires oxygen

B. Aerobic

___ 6. Adenosine diphosphate

G. ADP

___ 7. During aerobic respiration, the most ATP   is produced during this process.

K. Electron Transport Chain

___ 8. The anaerobic process of splitting glucose and forming two molecules of pyruvic acid

E. Glycolysis

___ 9. Place where glycolysis occurs

F. Cytoplasm

___10. Place where the Krebs cycle occurs

D. Mitochondria

___11. Process does not require oxygen

J. Anaerobic

___12. Energy storing molecule

I. ATP

i need to find the parent genotypes and the all possible gametes for each parent​

Answers

Answer:

6 of themmmmmmmmmmmmmmmm I thinkkk

Two brown-eyed parents have produced three blue-eyed sons. What can be concluded about the parents?
Only the father carries an allele for blue eyes.

Only the mother carries a dominant allele for blue eyes.

The allele for blue eyes is on the father's Y chromosome.

They both carry a recessive allele for blue eyes.

Answers

Answer: C, I think

Explanation:

They both carry a recessive allele for blue eyes

Clifford is an astronomer who studies the movement of stars. What types of tools
does Clifford likely have in his office that help him study the movement of stars?

1) meter sticks and protractors
2) rubber bands and paper clips
3) rulers and measuring tapes
4)telescopes and cameras

Answers

Answer:

4. Telescopes and cameras

Explanation:

The answer to your question is 4

Which of the following is most likely to contribute to density-dependent regulation of populations? Group of answer choices Individuals voluntarily stop mating so that overcrowding does not occur. Density-independent factors lead to fewer births and increased mortality. The incoming energy decreases in populations experiencing a high rate of increase. Density-dependent factors lead to fewer births and increased mortality.

Answers

Answer:

Density-dependent factors lead to fewer births and increased mortality.

Explanation:

The carrying capacity can be defined as the maximum population size an environment can support. Density-dependent limiting factors produce a logistic growth pattern (S curve) in the population until it reaches its carrying capacity, thereby decreasing the birth rate and increasing the mortality rate in the population. Some important density-dependent limiting factors able to control the size of the population are competition (intraspecific competition), predation and diseases.

what happens when there is a decrease in carbon dioxide during gas exchange in the body?

Answers

Answer:

Increased carbon dioxide means increased blood acidity, while decreased carbon dioxide means increased blood acidity.

The bicarbonate reaction is reversible, which allows bicarbonate to turn back into dissolved carbon dioxide to diffuse from the alveolus.

3. Si sales de tu casa y recorres 5 metros de distancia. ¿A qué distancia te

desplazaste?

Answers

Answer:

5 metros.

Explicación:

Si sale de su casa y camina 5 metros, significa que está a 5 metros de su casa porque cubre 5 metros de distancia. La distancia es la longitud que recorre un cuerpo entre dos puntos. Aquí un punto es la casa y el otro punto es la persona, por lo que si calculamos la longitud, encontramos que el individuo cubre 5 metros por lo que podemos concluir que el individuo está a 5 metros de su casa si camina 5 metros de su casa. casa al exterior.

The immune response consists of different components playing their role for a common goal: to rid the body of a pathogen. Create an analogy that helps explain the roles of the responses of the immune system and describe the relationship between the responses.

Answers

Answer:

In a primary immune response, naive B cells are stimulated by antigen, become activated, and differentiate into antibody-secreting cells that produce antibodies specific for the eliciting antigen.

A secondary immune response is elicited when the same antigen stimulates memory B cells, leading to the production of greater quantities of specific antibodies that are produced in the primary response

Answer:

In a primary immune response, naïve B cells are stimulated by antigen, become activated, and differentiate into antibody-secreting cells that produce antibodies specific for the eliciting antigen.

A secondary immune response is elicited when the same antigen stimulates memory B cells, leading to the production of greater quantities of specific antibodies that are produced in the primary response.

  

How does air pressure affect
breathing?

Answers

Answer:

When you inhale, muscles increase the size of your thoracic (chest) cavity and expand your lungs. This increases their volume, so pressure inside the lungs decreases. As a result, outside air rushes into the lungs. That's because a gas always flows from an area of higher to lower pressure.

Answer:

The air pressure in your lungs has to be less than the air outside your lungs, to get your lungs to inflate. This is because air moves from high pressure areas to low pressure areas. During bad weather and at high altitudes the air pressure is lower, making it harder for us to breathe.

What type of mutation is shown in the DNA strand to the right given the original strand.




Original strand - A A A T T C A T T ---> mutated strand - A A T T C A T T


Group of answer choices


deletion


insertion


translocation

Answers

The answer is Deletion because one of the adenine in the sequence is deleted

In order to change C to B to A, one would need to:
Keep the environment at a steady temperature Continue to increase the temperature of the environment
Continue to decrease the temperature of the environment
It is impossible to change C to B to A.​

Answers

Answer:

im pretty sure "A"

Explanation:

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Which of the following is not an appropriate unit for momentum?

A. g • cm/min

B. g • m/S

C. km • m/S

D. kg • m/hr ​

Answers

Answer:

Option C us correct.

km • m/S

Explanation:

This is because momentum is result of mass and velocity of an object. Momentum is a vector quantity that is it has magnitude and it's direction is in form of three dimensional.

From the option C, kilometer there is not a unit for mass or velocity it it is a unit for distance, therefore it is incorrect.

Complete the chart. Thymine _____, Guanine ____.

Answers

Answer: 27, 23

Explanation: Thymine goes with Adenine and together they equal 50 so Thymine would be 27 because Adenine is 23. Same with Cytosine and Guanine. They go together and equal 50 so Guanine would be 23 because Cytosine is 27. Hope this helps!

HELP ME
I NEED THIS FOR NOW
I WILL GIVE YOU BRAINLIEST

Answers

Answer:

1)   As soon as the paper cuts into the cells of your skin, your body springs into action. First, blood cells called platelets join together at the paper cut and form a clot to stop the bleeding.

The process is called Blood clotting.

2)   The cell that are made will have the same same amount of DNA/chromosomes.

3)   Chromosomes come in pairs. Normally, each cell in the human body has 23 pairs of chromosomes (46 total chromosomes). Half come from the mother; the other half come from the father. Two of the chromosomes (the X and the Y chromosome) determine your sex as male or female when you are born.

Plants growing high up on mountains tend to be much smaller than those growing at sea level. This is because the rate of photosynthesis for plants on the mountain is slower. Which factor is at a lower level in the mountain environment, causing a limit to the rate of photosynthesis?

Answers

Answer:

CO2

Explanation:

HELP I AM IN A TEST! I WILL MARK AS BRAINLIEST IF CORRECT!
Which of the following statements is true?
Fusion reactions split hydrogen nuclei apart.
Fission reactions release more energy than fusion reactions.
Nuclear power plants change electricity into nuclear energy.
U-235 is an isotope of uranium.

Answers

Answer:

Fission occurs when a neutron slams into a larger atom, forcing it to excite and spilt into two smaller atoms—also known as fission products. Additional neutrons are also released that can initiate a chain reaction.

When each atom splits, a tremendous amount of energy is released.

Uranium and plutonium are most commonly used for fission reactions in nuclear power reactors because they are easy to initiate and control.

The energy released by fission in these reactors heats water into steam. The steam is used to spin a turbine to produce carbon-free electricity.

Explanation:none

Answer:

Nuclear power plants change electricity into nuclear energy.

Explanation:

Which of the following statement about gene mutation is not correct. It:

a) Can be inherited
b) May result in a change in the number of bases that make up the gene
c) Always results in a change in the protein for which the gene codes
d) May result in a change in the order of bases that make up the gene

Answers

Answer:

c) Always results in a change in the protein for which the gene codes

Phosphorus in soil is transformed into insoluble compounds unless what happens?

Answers

Answer:

It is not absorb by the plants, it turns into insoluble form.

Explanation:

Phosphorus in soil is transformed into insoluble compounds unless not used by the plants. The insoluble phosphorus is transform into soluble form in the soil by phosphorus solubilizing bacteria. The phosphorus solubilizing bacteria helps in conversion of insoluble phosphorus into soluble phosphorus which can absorb by the plants. If the phosphorus is not absorb by the plants and present for a long time, it can be converted into insoluble form which is unavailable for the plants which can be converted back with the help of phosphorus solubilizing bacteria.

O Water is denser than isopropanol, so the water layer will always be below the isopropanol layer if they are both in the same container. What does this tell you about the make-up of the pigments for each specimen?

Answers

Answer:

One is polar and the other is non-polar.

Explanation:

The makeup of both water and isopropanol is different from each other due to their polar nature. Water is a polar substance means that it makes poles i.e. positive or negative while on the other hand, isopropanol is non-polar substance so due to this reason water and isopropanol make different layers. If both are polar or nonpolar substances so they will able to mix with each other.

When the humidity (amount of water vapor) increases, the air pressure decreases or increases

Answers

Answer:

decreases :)

Explanation:

Human Immunodeficiency Virus (HIV) is a virus that infects (and destroys) Helper T Cells. As a result, people who are HIV+ generally have a low number of these T Cells. How would the dramatic decrease in Helper T Cells caused by HIV affect a person’s immune response? Be specific using details from what you learned about the immune response.

Answers

Answer:

HIV invades various immune cells (e.g., CD4+ T cells and monocytes) resulting in a decline in CD4+ T cell numbers below the critical level, and loss of cell-mediated immunity − therefore, the body becomes progressively more susceptible to opportunistic infections and cancer.

HIV infects and deletes CD4+ T cells that normally coordinate the adaptive T- and B-cell response to defend against intracellular pathogens. The immune defect is immediate and profound: At the time of acute infection with an AIDS virus, typically more than half of the gut-associated CD4+ T cells are depleted, leaving a damaged immune system to contend with a life-long infection.

Which cell replicates via meiosis?(1 point)

sperm cell

heart cell

skin cell

red blood cell

thanks!!

Answers

Answer:

Sperm cell

Explanation:

Because it is a reproductive cell and in one of the stages of foetus growth is meiosis so this cell undergoes meiosis to pass that stage

Meiosis is the process by which cells divide into four haploid daughter cells.Sperms are the cells that replicates via meiosis. Option A is correct.

Meiosis:

It is the process by which cells divide into four haploid daughter cells.

The daughter cells contains half of its parents chromosomes.The daughter cells are genetically different from the parent cells.It is occur in the germ cells of the organisms to produce gametes like sperm and ovum.

Therefore, sperms are the cells that replicates via meiosis.

To know more about Meiosis,

https://brainly.com/question/2095046

The earth is __blank__This trend most closely follows trends in the Earth's __blank__ Within the Earth's __blank__the component that is likely most responsible __blank__

Answers

Complete question:

Fill in the blanks.

The earth is ______ (warming, cooling, static, dynamic). This trend most closely follows trends in the Earth's ______ (albedo, distance from the sun, energy input from the sun, atmosphere). Within the Earth's ______ (albedo, mantle, atmosphere, crust) the component that is likely most responsible ______ (carbon dioxide, magma, water, humans).

Answer:

The earth is warming. This trend most closely follows trends in the Earth's atmosphere. Within the Earth's atmosphere is the component that is likely most responsible for carbon dioxide.

Explanation:

Carbon dioxide (CO₂) is a gas that, among other gases, composes the atmosphere, mainly the troposphere, which is closest to the Earth. The balance of this gas in nature is very complex and involves interactions between the atmosphere, the plants, and the oceans.

The current increase in CO₂ is a responsible component of the greenhouse effect involved in global warming and climate change. The rise in CO₂ is possibly the best documented.

The atmospheric increase of CO₂ follows a natural fluctuation trend that has been happening throughout the whole Earth´s history. It has been proven that the current rise in CO₂ concentration overlaps the expected variation and that the reached levels at the moment exceed the highest past registered levels. This substantial increase must be related to human activities.

1. What is the gradual change in populations over time?

2. What is the idea that species originate in small gradual steps over time?

Answers

1. Gradualism

2. evolution

Answer:1.Gradualism is an evolutionary model that refers to the tiny variations in an organism or in society that happen over time to make a better fit for animals and humans in their environment. These variations allow them to survive and thrive, resulting in a slow and consistent process of change in the whole population.

2.Phyletic gradualism is a model of evolution which theorizes that most speciation is slow, uniform and gradual. When evolution occurs in this mode, it is usually by the steady transformation of a whole species into a new one (through a process called anagenesis).

Explanation:

What kind of diagram shows the probability of traits in an offspring

Answers

Punnet square I think
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