Question

sea urchin:

1. phylum: echinoderm
2. what does it eat?

algae animal matter
help

1. what eats it?
2. one fun fact about this animal:

Explanation:

Sea urchins are echinoderms. They consume algae, animal - matter and kelp. Their predators include sea otters, starfish, triggerfish, etc. A fun fact is that sea urchins have a unique five - part jaw structure called Aristotle's lantern.

Answer:

1. Sea otters, starfish, triggerfish (among others)
2. Sea urchins have a five - part jaw structure called Aristotle's lantern.