1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Feliz [49]
3 years ago
7

Cells in the human eye send nerve impulses to the brain that cause the pupil to constrict. this is an example of a reaction to w

hat kind of stimuli?
A.Chemicals
B.Light
C.Touch
D.Sound
Biology
2 answers:
4vir4ik [10]3 years ago
8 0
The answer is : LIGHT
hoa [83]3 years ago
7 0
A. chemicals, the constriction of the pupil are usually caused by opiates anti-hypertension drugs.
You might be interested in
The cell membrane is made of phospholipids and is selectively permeable , or semipermeable. Which major theme in biology does th
vova2212 [387]

Answer: B

Explanation:

The way something is arranged enables it to play its role, fulfill its job, within an organism (a living thing). Structure-function relationships arise through the process of natural selection.

6 0
2 years ago
PLLLZ HELP Which point on the timeline best indicates the time when birds first appeared?
Vedmedyk [2.9K]

Answer:

The answer should be C

Explanation:

If you look at the the graph, C points to the time period after mammals appeared. Since birds are mammals, they should have appeared after the time that mammals first came to be on Earth.

Hope this answer helps you! Please rate it and mark it Brainliest!

3 0
3 years ago
Based on what you have learned from your rankings in parts a and b, why is it generally hotter in summer than in winter?.
lesya692 [45]

We feel hotter in summer than in winter because the temperature is generally higher than in winter.

<h3>What are seasons?</h3>

There are three seasons on earth namely winter, summer, and rainy season. In the winter season, the temperature is cold and during summer the temperature is higher.

Timing and characteristic of season depend upon the location of the earth. The time of a year region experience season depends on it is northern hemisphere or southern hemisphere.

The southern hemispheres experiences winter while northern hemisphere experiences summer. The cycle of seasons is caused by earth's tilted towards the earth. The planet rotates around an axis.

Therefore, We feel hotter in summer than in winter because the temperature is generally higher than in winter.

To learn more about seasons, refer to the link:

brainly.com/question/19009677

#SPJ2

5 0
1 year ago
A control group is a group that:
Akimi4 [234]

Answer:

It is a group designed to not be affected by any variables and to be used as a comparison to the other groups. It helps increase the reliability of your results, as it shows your independent variable is what made something happen in your experiment.

8 0
3 years ago
Name and describe 3 major characteristics of vascular plants?
inessss [21]

Answer:

Roots. Roots are simple tissues that are derived from the stem of the plant.

Xylem. The xylem is tissue that transports water throughout the plant.

Phloem. The phloem is the plant's food transportation system.

:)

8 0
3 years ago
Other questions:
  • During which part of the rock cycle does weathering and erosion take place?
    13·2 answers
  • Which of the following is NOT a true statement about the papillary layer of the dermis: a. it is highly vascular b. it is the de
    8·1 answer
  • This is a period of time when extensive glacial ice covered much of earth, producing long-term climate change and causing the ex
    6·2 answers
  • When nerve cells in the nervous system cease to divide, they are in _____.
    13·2 answers
  • What are ways lipids are useful to living organisms
    8·1 answer
  • Research response: at least 2 paragraphs, 5-8 sentences per paragraph: Is it a good idea that the U.S. has approved the release
    10·1 answer
  • What two factors affected the development of new species
    11·1 answer
  • If a microscope has a 10X ocular and the total magnification at a particular time is 950X, the objective lens is use at that tim
    7·1 answer
  • List four ways in which viruses can be similar or differ from each other.
    12·1 answer
  • Approximately what percentage of practicing veternarians work as large animal veternarians in the united States
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!