Answer:
They can breathe in oxygen.
Explanation:
By letting it flow over there gills it helps them make oxygen.
Answer:
B The zygote must contain genetic information from the mother and from the father, so the gametes must contain half of the chromosomes found in normal body cells
Explanation:
hope this helps sorry if incorrect have a good rest of your day :) ❤
I dont get what you mean?
A substance directly involved in cellular communication within the human body is a hormone.
