Fat is used as a form of energy when the body really needs it. where as an enzyme is used to speed up a reaction in the body or might be needed to start a reaction in a body.
Answer:Blood
Explanation:Bones contain bone marrow. Red and white blood cells are produced in the bone marrow. Protects and supports organs: Your skull shields your brain, your ribs protect your heart and lungs, and your backbone protects your spine.
Answer:
1. Vestigial organs.
2. Homologous structures.
3. Analogous structures.
Answer:
4
Explanation:
Codons are usually in groups of 3. So AUA-UCU-AGG-CUU