Chapter 12 Flashcards
0
Q
Metazoans evolved from a colony of flagellated cells
A
Colonial flagellate hypothesis
1
Q
Multicellular animals
A
Metazoans
2
Q
Phylum porifera: skeleton is made of ______
A
Spicules and protein
3
Q
Phylum porifera: pores where water enters
A
Dermal ostia
4
Q
Phylum porifera: Where food particles are collected
A
Choanocyte collar
5
Q
How choanocytes ingest food
A
Phagocytosis (small particles)
Pinocytosis (protein molecules)