porifera Flashcards
1
Q
Porifera characteristics
A
No symmetry
No organs or tissues just cells
Choanocytes
neither diplo or triplo
2
Q
What kinds of skeletal structure do porifera have
A
Fibrous skeleton: flexible spongin
rigid skeleton: hard spicules
3
Q
what do choanocytes do
A
they make up the inner lining of the sea sponges. The choanocytes are specialised cells that have flagellum which allow water to move through the pores which filter food from the water.
4
Q
types of porifera
A
Cups, tubes, irregular or encrusting
