mollusca

Question 1

whats special about thiss phylum

Answer 1

they are 2nd largest

Question 2

their characteristics

Answer 2

bilateral symmetry, triploblastic, coelomate, organ system level organisation

Question 3

explain about their body

Answer 3

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

Question 4

whats the organ for filling out food into small pieces

Answer 4

radula

Question 5

their sex, fertilisation and development

Answer 5

they are dioecious, oviparous, and indirect development

Question 6

their examples

Answer 6

pila, pinctada, sepia, loligo, oyster, aplysia, dentalium, chaetopleura