Question

central axis. echinoderms are found in various marine habitats and play important ecological roles. they are known for their ability to regenerate body parts and exhibit interesting behaviors such as tube feet locomotion and complex feeding mechanisms. in which habitat are echinoderms found? desert marine grassland

Explanation:

The text states "Echinoderms are found in various marine habitats", so the correct habitat for echinoderms is marine. Desert and grassland are not mentioned as habitats for echinoderms in the given text.

Answer:

B. marine