Answer:
decomposing and recycling organic materials in it's habitat.
Answer:
Researchers have found evidence which suggests that evolution drives animals to become increasingly more complex.
Explanation: i looked this up....
Answer:
Muscle Cells and Nerve Cells
Listen the guy who answered the other one is wrong its not blood cells
Answer:
Mass can neither be created nor destroyed.
Explanation:
Mass can not be created or destroyed, it can only be preserved during a chemical reaction
