Deuterostomes

Question 1

Name three Echinoderms

Answer 1

Star fish, sea urchins, sea cucumbers

Question 2

Name 4 defining features of Echinoderms

Answer 2

Undergo radial clevage, Anus develops from blastopore, larva are bilateral, individual embryos develop with environmental stimuli

Question 3

Name 5 classes of Echinoderms

Answer 3

Asteroidia (sea stars), ophiuroidea (brittle stars), Echinodea (urchins), Holothuroida (sea Cucumber), Crinoidea (Feather Stars)

Question 4

Name/ describe three components of an echinoderms endo-skeleton.

Answer 4

Ossicles, Catch collagen, Stereom