Answer:
I would go with B:
The body must maintain homeostasis so that the internal environment stays the same if the outside
I might be incorrect, but from what I remember it should be particle size
Answer:
circulatory system is the answer
Producers:
Hippos,elephants,cattle,antelope,horses
Primary consumers:
Seaweed,phytoplankton,algae,plants,Cyanobacteria
Predators:
Wolf,puma,lion,cheetah,lepard
What is your question? Can you post it please?
