A bunch of the same critters. Nah I am just kidding, you will find a lack of resources because if they are all the same animals they will all eat the same thing. I hope this helps you.
This might help:
https://quizlet.com/1965478/environmental-health-test-1-flash-cards/
Answer: The answer is Echinoderms
Explanation: The skin of most species is covered by spines, “warts,” or other projections.
Cell membrane is the largest. Most important. Of course all cells are different and shape size also. they all have difference.
