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Porifera Review
Test Description: Zoology review sponges
Instructions: Answer all questions to get your test result.
1) External outgrowth develops into a tiny individual which eventually detaches and grows to adult.
A
gemmulation
B
all of these
C
budding
D
fragmentation and regeneration
2) Body form with single osculum but thicker body wall because of infolding
A
asconoid
B
leuconoid
C
syconoid
D
paranoid
3) Which form of reproduction does not allow for greater variation?
A
gemmulation
B
external fertilization
C
internal fertilization
D
all of the above
4) Body form with many choanocyte lined cavities joined by multiple canals
A
syconoid
B
leuconoid
C
asconoid
D
both leuconoid and syconoid
5) Organisms that eat sponges
A
humans
B
reindeer
C
tadpoles
D
certain insect larvae
6) This reproductive form employed by sponges allows for survival through dry or cold periods
A
budding
B
gemmulation
C
internal fertilization
D
fragmentation
7) This reproductive strategy allows for a large population of offspring with very little investment.
A
internal fertilization
B
all of these are correct
C
fragmentation
D
external fertilization
8) Which of the following are consumed by sponges
A
tiny fish
B
organic matter (waste)
C
bacteria
D
sponges consume all of these
9) Which of the following does NOT describe the Phylum Porifera?
A
filter feeders
B
multicellular
C
sessile adults
D
autotrophs
10) Which of the following does NOT apply to the Phylum Porifera
A
sometimes carnivorous
B
metazoans
C
well-organized tissues
D
efficient filtering helps coral reefs thrive
*select an answer for all questions
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