echinodermata

Question 1

why are animals of echinodermata called echinoderms

Answer 1

because calcareous spines are present on their body

Question 2

germinal layers

Answer 2

triploblastic

Question 3

habitat of echinodermata

Answer 3

marine

Question 4

coelom in echinodermata

Answer 4

eucoelomate

Question 5

symmtery in echinodermata

Answer 5

larval stage - bilateral symmtery
adult stage - radial symmtery

Question 6

how do echinoderms perform locomotion

Answer 6

with the help of tube-feet
tube-feet are also useful for capturing prey
some animals are just sedentary

Question 7

skeleton of echinoderms is made of?

Answer 7

calcareous spines and / or ossicles (plates)

Question 8

good ability in echinoderms

Answer 8

regeneration

Question 9

sex in echinodermata

Answer 9

mostly unisexual

Question 10

examples of echinodermata

Answer 10

star fish
sea urchin
brittle star
sea cucumber
etc