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Marine Science Semester 2 Exam Study Guide Questions with Correct Answers
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  • Course
  • Marine Science
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  • Marine Science

what describes the level of plastic that is in our ocean - Answer-it is like thin plastic soup, with plastic outnumbering plankton 6 to 1 in some areas coral is most closely related to - Answer-jellyfish and sea anemones a nematocyst is a - Answer-stinging structure the symbiotic relations...

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  • September 22, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • marine science semester 2 exam study guide questio
  • what describes the level of plastic that is in our

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Marine Science Semester 2 Exam Study
Guide Questions with Correct Answers
what describes the level of plastic that is in our ocean - Answer-it is like thin plastic
soup, with plastic outnumbering plankton 6 to 1 in some areas

coral is most closely related to - Answer-jellyfish and sea anemones

a nematocyst is a - Answer-stinging structure

the symbiotic relationship between coral and zooxanthellae is called - Answer-
mutualism

why are the zooxanthellae important to coral - Answer-they provide enough food energy
for coral to build reefs

which reef definition is correct - Answer-barrier:
a reef that has a channel of water separating it from the shore

most corals thrive in waters with ___________________ nutrient levels because -
Answer-low;
competitive algae will overtake the coral if too many nutrients are present

coral looks white during the coral bleaching process because - Answer-the coral loses
the zooxanthellae

what is the impact of ocean acidification on ocean life - Answer-it could cause ocean
food webs to collapse due to the loss of tiny shells making zooplankton

destruction of coral reefs can be reduced by - Answer-1) actions of everyday person
2) coral gardening and restoration programs
3) Marine Protected Areas (MPA's)
*all of the above

what is the impact of coral reefs on coastal areas - Answer-1) they help protect them
from storm damage
2) they offer cultural value for many people
3) they provide an economical boost due to tourism
*all of the above

a solution for excessive algae growth on coral reefs as a result of too many nutrients in
the water is - Answer-reduce fertilizer use or use organic fertilizers

all ______________________________ are animals - Answer-zooplankton

, plankton are important because - Answer-1) phytoplankton produce more than half of
oxygen on earth
2) provide food for many marine organisms
3) large organisms (baleen whales) as well as organisms (barnacles/algae) depend on
them
4) form the bases of marine food chains
*all of the above

which of the following would make it harder for plankton to stay suspended near the
surface - Answer-dense body material

scientists collect plankton using _____________________ - Answer-nets

which adaptation does NOT help cartilaginous fish stay buoyant - Answer-expandable
stomach

the function of the lateral line is to - Answer-detect vibrations in the water from potential
predators and help synchronize swimming in a school

what is the function of the ampullae of Lorenzini and which type of fish are they found in
- Answer-they sense an electric current generated by a living organism;
cartilaginous fish

how are bony fish and cartilaginous fish different - Answer-scales of cartilaginous are
tooth-like

which of the following would be least likely to attract a shark - Answer-low-contrast
colors

if a shark is about to attack you, the best thing to do is - Answer-hit it on its eyes, gills,
or snout so that the shark will stop attacking

which of the following is true about shark finning - Answer-the sharks are often killed
solely for their fins, some dumped back into the ocean defenseless

which is NOT true about the significance of the skin of sharks - Answer-it is completely
smooth, allowing a film of bacteria to coat it

choose the TRUE statement - Answer-more deepwater fish are now being fished,
including some that mature later in life

the "seafood watch" program - Answer-serves as a guide for consumers to know which
types of seafood should be chosen based on environmental impact

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