Exam 5 Material (Sponges-Phylum Porifera

Question 1

What is being described (an outer layer of sponge)?

Answer 1

Epidermal cells

Question 2

What is being described (similar to choanoflagellates—help to create water currents that will bring food and oxygen for gas exchange and food ingestion in collar cells)?

Answer 2

Collar cell/choanocyte

Question 3

What is being described (where water travels out)?

Answer 3

Osculum

Question 4

What is being described (the opening/space in the sponge)?

Answer 4

spongocoel

Question 5

What is being described (tube-like structures where water enters the sponge—forms pores called ostia—where water comes in)?

Answer 5

porocytes

Question 6

What is being described (move around in geloton-like substance and is supported by spicules/these help w/ digestion and food transport)?

Answer 6

amoeboid cells