Answer:
an energy source during cellular respiration
Answer:
The testes are oval organs about the size of very large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord. Most men have two testes. The testes are responsible for making testosterone, the primary male sex hormone, and for producing sperm.
Explanation:
There environmental change would only have to occur when their is a sudden change in the amount of water, which would be a larger amount of water because that’s the only reason the bullfrog would need to store more water to help this species survive. This is called structural adaptation, structural adaptations are the physical features of an organism to help survive the new environment.
