Answer:
Energy is passed between organisms through the food chain. The organism that obtains energy from sunlight is called the producer.
Explanation:
Like all other reptiles, birds have scales. Also, birds lay eggs like other reptiles.
This would be D) The atmosphere :P
Parasite and Host, because the tapeworm can not live without the cells of the Human Intestine. It needs to live off of the Human making it, the host for the tapeworm.
Answer:
The prefix "echin-" means D. The prefix "exo" means outside/external.
Explanation:
