Answer:
Level 1...Plants and algae make their own food and Plants and algae make their own food and are called producers.
The Circuit-Level involves the spinal cord.
The statement "The American Psychological Association is the only organization that can approve psychological research studies." is false.
Mammals. I am no scientist, but I think that they are closer to mammals due to the fact that they are warm-blooded, and they raise their young. Reptiles are cold blooded and usually leave their offspring to fend for themselves.
