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