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Simple Marine Animals And Cnidarian Test 2
Test Description: Review for test on 11/11/14
Instructions: Answer all questions to get your test result.
1) Corals and jellyfish are classified together mainly because they
A
are tropical
B
share the same habitat
C
are planktonic
D
have stinging tentacles
2) The large reef-building corals grow only in tropical waters because of the warm temperatures and
A
greater water pressure
B
plentiful sunlight
C
fewer predators
D
room for more growth
3) Which of the following organisms with tentacles is least related to the others?
A
sea anemone
B
brain coral
C
octopus
D
portuguese man-of-water
4) All of the following are functions of the jellyfish medusa except
A
ingestion
B
locomotion
C
reproduction
D
protection
5) The basic structure of the coral animal is the
A
cnidoblast
B
medusa
C
nematocyst
D
polyp
6) The beneficial living arrangement between the coral polyps and the tiny algae within them is known as
A
symbiosis
B
cnidarian
C
zooxanthellae
D
radial symmetry
7) The cnidarians have tentacles that grow in a ring around a central mouth, an arrangement known as
A
radial symmetry
B
colonial
C
symbiotic
D
planktonic
8) What is meroplankton?
A
temporary plankton
B
permanent plankton
9) What is holoplankton?
A
temporary plankton
B
permanent plankton
10) What is the difference between polyp and medusa?
A
Polyp- tentacles point down / Medusa - tentacles point up
B
Polyp - tentacles point down / Medusa - tentacles point down
C
Polyp - tentacles point up / Medusa - tentacles point up
D
Polyp - tentacles point up / Medusa - tentacles point down
*select an answer for all questions
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