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The Marine Environment (Grades 11-12)

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The Marine Environment

What floating organisms are usually larval forms of other marine animals?
  1. plankton
  2. krill
  3. zooxanthellae
  4. tracheids
What is the place where freshwater and saltwater mix in the ocean biome?
  1. chaparral
  2. estuary
  3. coastal runoff
  4. benthic community
What is the largest animal ever to inhabit planet Earth?
  1. T-rex
  2. great white shark
  3. blue whale
  4. African elephant
The animals that inhabit and walk around on the ocean floor are called                      organisms.
The various kinds of amorphous material that comes from living organisms found in the water column is called marine snow.
  1. True
  2. False
Which is an example of a macrofauna?
  1. marine amoeba
  2. pathogenic viroid
  3. crab megalope
  4. saltwater paramecium
The relationship between a clownfish and a sea anemone benefits both animals. This is an example of
  1. mutualism.
  2. parasitism.
  3. predator/prey.
  4. commensalism.
Why is plankton such an important part of a marine food chain?

Hermit crabs, periwinkle snails, and many macroalgae inhabit which area of the ocean biome?
  1. deep ocean
  2. intertidal zone
  3. open ocean
  4. black zone
What is an opportunistic species of the intertidal zone?

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