Zoology Test #1: Phylum Porifera Flashcards
1
Q
Which class has spicules made of calcium carbonate
A
Calcarea
2
Q
Which class has spicules made of silica (glass), six rayed
A
Hexactinellida
3
Q
Which class has spicules made of silica or spongin fibers, or both
A
Demospongiae
4
Q
Which class has spicules made of silica, small and simple or absent
A
Homoscleromorpha
5
Q
3 body forms of sponges from advanced to least advanced
A
Ascon, Sycon, Leucon
6
Q
Three types of asexual reproduction in sponges
A
budding, gemmules, and regeneration
7
Q
Three materials that can makes up the skeleton of sponges
A
Silica, calcium carbonate, and spongin
8
Q
All adults are ___ filter feeders?
A
sessile
9
Q
What is the sexual reproduction?
A
eggs and sperm; free swimming ciliated larvae
