mollusca Flashcards
1
Q
whats special about thiss phylum
A
they are 2nd largest
2
Q
their characteristics
A
bilateral symmetry, triploblastic, coelomate, organ system level organisation
3
Q
explain about their body
A
calcareous shell, body divided into head muscular foot and visceral hump
there’s mantle over visceral hump
space between visceral hump and mantle is mantle cavity, there are feather like gills present here
4
Q
whats the organ for filling out food into small pieces
A
radula
5
Q
their sex, fertilisation and development
A
they are dioecious, oviparous, and indirect development
6
Q
their examples
A
pila, pinctada, sepia, loligo, oyster, aplysia, dentalium, chaetopleura
