Answer:
B. Different genes are expressed due to their environment.
Explanation:
I think it's this one because it makes the most sense, but I'm still not sure sorry
Hey there
the answer is
A.the ability of your heart and lungs to work during prolonged exercise
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SAVAGELEGEND72
Answer:
A. Carbon dioxide travels from the heart to the lungs in pulmonary arteries
Explanation:
The biology in which we study about the life of marine and what they eat and how they eat..ig thats how i will explain idk
If the egg was fertilized is alive, The kind of egg you get at the grocery store are not alive
