Would a light source be considered an internal or external stimulus?

Answers

Answer 1
External stimulus because Plants may respond to the following external stimuli: Light: Plants rely on photosynthesis to convert light energy into chemical energy. Plants often grow towards a light source. This behavioral response is called positive phototropism.
Answer 2

For plants, light is an external stimulant. Phototropism is a response to light that plants have. The plant responds by orienting its growth in the direction of the light.

What is stimulus?

A stimulus is an occasion or any change in the environment that causes an organ or tissue to have a certain functional response.

An external or internal trigger is possible. Sensitive to external stimuli like sound and touch are sense organs like the ear and sensory receptors like those in the skin.

Direct one-to-one stimulus-response reactions are the most basic sort of response. The stimulus is a change in the environment, and the response is how the organism responds to it.

A stimulation that comes from outside the organism is known as an external stimulus. Light is one example of an outside stimulation. Although it comes from outside the body, it has an impact there as well.

Thus, it can be concluded that light is an external stimulus.

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Related Questions

What is the term for a section of a DNA molecule that codes for proteins?

Answers

Answer:

Gene. A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual.

Explanation:

Mark me brainly please

Part C
Keep all three bags at room temperature in a sunlit area for a week. After one week, observe the three bags and write down any changes you see.

Answers

Answer:

After a week my cabbage had changed durasticaly. My cabbage has now grown and it looks pretty cool because before it looked so small. I do see a little bit of a change though. It looks like the cabbage had turned more green then before.

Explanation:

I know this is a strange little paragraph but I just thought this would help someone. So their you go. And at least try not to use the paragraph word for word, I don't want to get you in trouble.

Thank you!!!


I need to know the answers to what the solutions are.

Answers

Answer:

honestly same.

Explanation:

I don't know this complex science

Match each step of the scientific method on the left with the statement it describes on the right

(5,6 and 7)

Answers

Answer:

6 and 7

Explanation:

I don't know I need points

how is the reproduction of bryophytes similar to that of ferns?

Answers

Answer:

see below

Explanation:

Reproduction relies on water so that sperm can swim to the egg. Breophytes and ferns both have sperm. ... Ferns require water for the sperm to swim, but breophytes the sperm are released directly on the feralization site, and don't need to swim.

what is the study of hereditary called?

Answers

Answer:

Genetics

Explanation:

Genetics is the study of heredity in general

HOPE IT HELPS!


Plant cells can produce glucose.
Suggest why yeast cells cannot produce glucose.

Answers

Answer:

Glucose can still be broken down in the absence of oxygen in order to meet the cells energy requirements. In plant and yeast cells pyruvate is converted into carbon dioxide and a type of alcohol called ethanol.

Explanation:

Explanation:

This was what I saw on the internet

Glucose can still need broken down in the absence of oxygen in order to meet the cells' energy requirements. In plant and yeast cells, pyruvate is converted into carbon dioxide and a type of alcohol called ethanol.

John goes to work by car or by train.
(a) The probability that John goes by car is 04
Work out the probability he goes by train

Answers

Answer:

0.6

Explanation:

1 - 0.4 = 0.6

Probability will always be out of 1  therefore if the probability of John going to work by car is 0.4 then going by train would be 0.6.

It is more difficult to identify eukaryotic genes than prokaryotic genes because in eukaryotes ________.

Answers

Answer:
There are introns in eukaryotic genes.

organism that makes its own food

Answers

« autotroph »

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals

hope it helps

Answer:

Explanation:

autotrophs

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Plants are the most familiar type of autotroph, but there are many different kinds of autotrophic organisms.

What is the main difference between organisms that share many characteristics and organisms that do not?

Answers

Answer:

The more derived characteristics organisms share,the greater their degree a kinship. For instance,a derived characteristic in plants is the presence of the vascular tissue.Although all organisms share similar traits.

Explanation:

Hope this helps.

Think back to the activity from the beginning of the lesson. After what you have
learned about substances and mixtures, how have your ideas changed?

Answers

Answer:

......what lesson....

Explanation:

would you mind clearing up the question a little

the endocrine system is responsible for communication in the body using

Answers

Answer:

using your hormones as a chemical message to your brain

Explanation:

I lived in Africa around 15 mya. I had bilophodont molars ad a frugivorous diet. I had some adaptations for terrestrial quadrupedalism. What fossil primate am I

Answers

Answer: Victoriapithecus

Explanation:

What function or process is common to all living things?

Answers

Answer:

respiration

Explanation:

because the food is wanted by all and we all take breathe

Which of the following statements describes a benefit of most cells being
small?
A. Small cells have a greater surface-to-volume ratio than larger
cells.
B. Small cells move more quickly than larger cells.
C. Small cells have a smaller surface-to-volume ratio than larger
cells.
D. Small cells move more slowly than larger cells.
SUBMIT

Answers

Answer:

Small cells have a smaller surface to volume ratio than longer

what type of muscle tissue is found in the wall of blood vessels

Answers

Smooth muscle is the answer

Answer:

cardiac muscle

they are mainly in the walls of the heart. it's contraction pumps blood that allows the heart to beat

the movement of water into the atmosphere from plants is

Answers

Answer:

Transpiration

Explanation:

Process through which plants lose water into the atmosphere

Answer:

Transpiration

Explanation:

The process by which water moves into the atmosphere from plants is transpiration

what does the narroorator beleive has happened to the second black cat when he does not see the animal for several days

Answers

Answer:

can't answer that if we don't have context

explain four ways in which saprophytes are economically important in nature.​

Answers

Answer:

They break down dead and decaying organic matter into simple substances

Explanation:

.

What are the three sections of the female part of the flower called?
a) style, stamen, and pollen
b) stamen, ovary, and pollen
0 ) anther, pollen, and filament
d) stigma, style, and ovary

Answers

Answer:

D

Explanation:

Answer:

D

Explanation:

b19 , b20



help!!



need answer



pls also check my other questions!

Answers

Help what is the question

The most extreme state of __________________ is a life-threatening condition called thyroid storm, in which enormously excessive quantities of thyroid hormones are released into the bloodstream.

Answers

Answer:

thyrotoxicosis

Explanation:

17) The function of the kidneys is to cleanse the blood. To do that, kidneys filter almost everything from the blood, and then put most everything back in to the blood. One of the
substances filtered and then put back is glucose. If a doctor notices that there is glucose in a patient's urine sample, then what would be a reasonable explanation?
1. The patient must be on a low carbohydrate/high protein diet.
II. The patient has too many carbohydrates in his/her blood.
111. The patient is dehydrated.
IV. The patient has diabetes.
A) I only
B) il only
I and II only
D) II and IV only

Answers

Answer:

I think its II and Iv

Explanation

Because when they is glucose in a patient's urine it means that the patient has diabetes or are too many carbohydrate in his or her blood

if a patient eat too much food containing carbohydrates ,the digestive system breaks down the digestible one into sugar which enters the blood. As blood sugar level rises ,the pancreas produces insulin(a hormone that prompt cells to absorb blood sugar for energy or storage)

List in order what an athlete does when she bl00d d0pes.

1. She chills the bl00d and stores it.

2. She puts the bl00d back into her body just before a competition.

3. She removes the bl00d from her body.​

Answers

i know nothing on this topic, however the most logical answer would be 3,1,2
pretty easy if you think about it3, 2, 1

Phân biệt các bệnh của bệnh di truyền đơn gen

Answers

Explanation:

please tell in english

The energy that cells need to function is

Answers

Answer:

adenosine triphosphate (ATP)

Explanation:

<3

Once overweight, Brenna's mother has started to lose weight as she's aged. At first, Brenna was happy to see this because she thought it may help her mother bounce back from future injuries. On the contrary, Brenna has started to notice that her mother is having more difficulty with walking and climbing stairs. Her doctor explains that this declining function is common in adults age 65 and older. What term describes the muscle wasting Brenna's mother is experiencing?

a. sarcopenia
b. aphasia
c. kyphosis
d. xrostomia

Answers

The term that describes the muscle wasting Brenna's mother is experiencing is sarcopenia. That is option A.

An overweight individual is an individual whose body mass index is between 25 to less than 30.

Body mass index is calculated based on the weight and height of an individual.

An Brenna's mother advances in age, she begins to experience lost of muscle mass.

This is because of the following:

decline in hormones and numbers of neuromuscular junctions,

increased inflammation,

declines in activity, and

inadequate nutrition.

This will in turn lead to difficulty with walking and climbing stairs.

Therefore, the term that describes the muscle wasting Brenna's mother is experiencing is sarcopenia

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hllo baby


good night ​

Answers

Answer:

Okay

Explanation:

Que aumento se tiene de una muestra que se observa con un ocular de 10 y un objetivo de 40?
a) 640 b) 1040 c) 400

Answers

Answer:

C

Explanation:

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