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Simple Marine Animals And Cnidarians 1
Test Description: Review game for test on 11/11/14
Instructions: Answer all questions to get your test result.
1) The jellyfish's umbrella-shaped structure is the ________________.
A
polyp
B
medusa
C
filter feeders
D
hydroid
2) The stinging cells inside tentacles are called _______________.
A
cnidoblast
B
zooxanthellae
C
medusa
D
polyp
3) An adult sea anemone lives as an attached ____________.
A
polyp
B
medusa
C
larval
D
benthic
4) The name of the algae that live inside coral polyps is ____________________.
A
larval
B
zooxanthellae
C
benthic
D
medusa
5) The Portuguese man-of-war is a dangerous colonial _____________.
A
medusa
B
hydroid
C
polyp
D
benthic
6) Sponges often have a rigid structure due to their ____________________.
A
larval
B
exoskeleton
C
medusa
D
polyp
7) An animal's early, free-living stage is called a ___________________.
A
filter feeder
B
larval
C
benthic
D
exoskeleton
8) Animals that strain tiny food from the water are ______________________.
A
larval
B
filter feeders
C
exoskeleton
D
benthic
9) Water is pumped out of a protozoan by its _____________________.
A
medusa
B
contractile vacoule
C
benthic
D
exoskeleton
10) Bottom-dwelling organisms are referred to as ______________________.
A
medusa
B
polyp
C
benthic
D
larval
11) The ameboid movement of protozoans is carried out by their
A
mesoglea
B
nematocysts
C
zooxanthellae
D
nerve net
12) A jellyfish responds to external stimuli through use of its
A
spicules
B
flagella
C
cilia
D
pseudopods
13) The sponge is considered a simple animal because it
A
filter feeds
B
lacks a high degree of specialization
C
is generally small
D
lives on the bottom of the ocean
14) The group of marine protozoans that lack microscopic hairs is the
A
ciliates
B
flagellates
C
amebas
D
sponges
15) A good place to find sponges locally is
A
excretion
B
locomotion
C
ingestion
D
respiration
16) A life function carried out by protozoans but not by sponges is
A
in the upper intertidal zone
B
floating on the ocean surface
C
under the sand
D
attached to the bottom of a wharf piling
17) The inability of a sponge to make rapid, reflex movements is due to its lack of
A
nervous system
B
mechanisms for respiration
C
contractile tissue
D
method of ingestion
18) Protozoans are classified into three groups based on their being either ameboid, ciliates, or
A
sessile
B
flagellated
C
larval
D
planktonic
19) Water and wastes exit a sponge's body through its
A
osculum
B
ostia
C
amebocytes
D
myocytes
20) Inside each stinging cell of an anemone is a coiled thread with a bard at the end, called a
A
nematocyst
B
zooxanthellae
C
cilia
D
cnidoblast
*select an answer for all questions
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