Simple Marine Animals And Cnidarian Test 2 Question Preview (ID: 21792)


Review For Test On 11/11/14. TEACHERS: click here for quick copy question ID numbers.

Corals and jellyfish are classified together mainly because they
a) share the same habitat
b) have stinging tentacles
c) are tropical
d) are planktonic

The large reef-building corals grow only in tropical waters because of the warm temperatures and
a) plentiful sunlight
b) room for more growth
c) greater water pressure
d) fewer predators

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

All of the following are functions of the jellyfish medusa except
a) reproduction
b) locomotion
c) protection
d) ingestion

The basic structure of the coral animal is the
a) polyp
b) medusa
c) nematocyst
d) cnidoblast

The beneficial living arrangement between the coral polyps and the tiny algae within them is known as
a) radial symmetry
b) symbiosis
c) zooxanthellae
d) cnidarian

The cnidarians have tentacles that grow in a ring around a central mouth, an arrangement known as
a) symbiotic
b) planktonic
c) colonial
d) radial symmetry

What is meroplankton?
a) temporary plankton
b) permanent plankton
c)
d)

What is holoplankton?
a) temporary plankton
b) permanent plankton
c)
d)

What is the difference between polyp and medusa?
a) Polyp - tentacles point up / Medusa - tentacles point up
b) Polyp - tentacles point up / Medusa - tentacles point down
c) Polyp - tentacles point down / Medusa - tentacles point down
d) Polyp- tentacles point down / Medusa - tentacles point up

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