Answer:
a,the ability to go from a single cell to multicellular organism
The answer is absorbing dead or decaying organisms
Answer:
By changing a gene's instructions for making a protein, a mutation can cause the protein to malfunction or to be missing entirely. When a mutation alters a protein that plays a critical role in the body, it can disrupt normal development or cause a medical condition
Explanation:
All animals cannot make their own food, they are consumer
