Which body systems need water to function properly? Digestive and Respiratory
Muscular and Excretory
Digestive, Respiratory, and Excretory
All of them​

This is a type pf behavior that animals are born with and them to survive

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals

In which layer do organisms on earth love?