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The Marine Environment (Grades 11-12)

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The Marine Environment

1. 
What are the floating organisms called that are usually larval forms of other marine animals?
  1. plankton
  2. krill
  3. zooxanthellae
  4. tracheids
2. 
What is the place called where freshwater and saltwater mix in the ocean biome?
  1. the chaparral
  2. an estuary
  3. a coastal runoff
  4. a benthic community
3. 
What is the largest animal ever to inhabit the planet Earth?
  1. the T-Rex
  2. the Great White Shark
  3. the Blue Whale
  4. the African Elephant
4. 
The animals that inhabit and walk around on the ocean floor are called                      organisms.
5. 
The various kinds of amorphous material that comes from living organisms found in the water column is called marine snow.
  1. True
  2. False
6. 
Which of these would be an example of a macrofauna?
  1. a marine amoeba
  2. a pathogenic viroid
  3. a crab megalope
  4. a saltwater paramecium
7. 
The relationship between a clownfish and a sea anemone benefits both animals. This is an example of what type of relationship?
  1. mutualism
  2. parasitism
  3. predator/prey
  4. commensalism
8. 
Why is plankton such an important part of a marine food chain?



9. 
Hermit crabs, periwinkle snails, and a lot of macroalgae inhabit which area of the ocean biome?
  1. The deep ocean
  2. The intertidal zone
  3. The open ocean
  4. The black zone
10. 
What is an opportunistic species of the intertidal zone?



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