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
tigry1 [53]
3 years ago
6

Which is an example of an internal stimulus?

Biology
1 answer:
Neporo4naja [7]3 years ago
5 0

The answer to your question is D, a decrease in oxygen levels in the blood during exercise.



Hope this helps!

You might be interested in
Cells spend most of their time dividing (in other words,in mitosis).<br><br> TRUE OR FALSE
Lapatulllka [165]
It is true that cells spend most of their time dividing. In fact, they spend 78% of their "life" in interphase. 
6 0
3 years ago
Read 2 more answers
How genetic engineering can improve food supplies
anastassius [24]
Plants Can Be Engineered to produce higher yield

6 0
3 years ago
Why is carbon dioxide required for photosynthesis
Citrus2011 [14]

Answer:

<em>Carbon </em><em>dioxide</em><em> </em><em>is </em><em>necessary</em><em> </em><em>for </em><em>photosynthesis</em><em> </em><em>because </em><em>plants </em><em>make </em><em>their</em><em> </em><em>food </em><em>only </em><em>in </em><em>the </em><em>presence</em><em> </em><em>of </em><em>carbon </em><em>dioxide</em><em> </em>

I hope this will help you :)

4 0
2 years ago
How does Pteromyzon differ from scolidon and labeo fishes?
Oduvanchick [21]

Answer:

Due to agnathous, no paired fins and scales.

Explanation:

Pteromyzon fish is different from scolidon and labeo fishes because Pteromyzon fish is not a true fish. The main reason for this is that Pteromyzon fish is agnathous means having no jaws and it doesn't have paired fins and scales on their body while all these features are present on the body of  scolidon and labeo fishes so we can conclude from this discussion that Pteromyzon fish is different from scolidon and labeo fishes.

7 0
3 years ago
What is refers to birth​
Butoxors [25]

Answer:

the act or process of giving birth to a baby : parturition.

Explanation:

hope this helps

6 0
2 years ago
Other questions:
  • Which of the following is an appropriate hypothesis to answer the question why are leaves green
    6·1 answer
  • After the two avian kidneys do their work, a bird will excrete nitrogenous waste known as _____________ from the blood.
    6·1 answer
  • The endosymbiont theory holds that mitochondria were originally bacteria-like single-celled organisms. Which of the following fa
    9·1 answer
  • What are four components that can be derived from a unit blood ?
    14·1 answer
  • The endoplasmic reticulum is an intricate _____ system.
    15·1 answer
  • -)
    13·1 answer
  • What term describes a new community replacing an existing community?
    14·1 answer
  • ASAP please
    5·1 answer
  • If this molecule were broken down, would it provide all of the elements needed to assemble lipids, nucleic acids, or proteins?
    11·1 answer
  • the process of dna replication requires that each of the parental dna strands be used as a ___________________ to produce a dupl
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!