Phylum Porifera Flashcards
1
Q
Symmetry?
A
Radial or none
2
Q
Tissue layers?
A
None
3
Q
Coelom development?
A
None
4
Q
Skeleton?
A
None
5
Q
What’s in the porifera phylum?
A
Sponges
6
Q
In phylum calcárea the class is calcárea
A
Spicules of calcium
7
Q
In phylum sílicea There is class demospongiae and hexactinellida
A
Demospongiae- has common sponges
Hexactinellida- glass sponge
8
Q
Why are sponges considered animals?
A
Same cell structure