what type of energy is being used "the body stores lipids ingested as fat and uses this energy when needed."

chemical energy

Explanation:

Chemical energy is stored up in chemical molecules, and released when the energy used to bind the elements of these molecules are released.

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

answerhomologous structures;