echinodermata Flashcards
1
Q
why are animals of echinodermata called echinoderms
A
because calcareous spines are present on their body
2
Q
germinal layers
A
triploblastic
3
Q
habitat of echinodermata
A
marine
4
Q
coelom in echinodermata
A
eucoelomate
5
Q
symmtery in echinodermata
A
larval stage - bilateral symmtery
adult stage - radial symmtery
6
Q
how do echinoderms perform locomotion
A
with the help of tube-feet
tube-feet are also useful for capturing prey
some animals are just sedentary
7
Q
skeleton of echinoderms is made of?
A
calcareous spines and / or ossicles (plates)
8
Q
good ability in echinoderms
A
regeneration
9
Q
sex in echinodermata
A
mostly unisexual
10
Q
examples of echinodermata
A
star fish
sea urchin
brittle star
sea cucumber
etc
