Answer:
C
Explanation:
The main mechanisms of homeostasis are body temperature, body fluid composition, blood sugar, gas concentrations, and blood pressure. These are all things that involve "keeping a relatively constant internal environment in the body".
it is grasshopper because they donot have backbones
Answer:
The Sun
Explanation:
it is essential to doing photosynthesis
I don't get it it's kinda confusing
