Comprehensive Marine Biology and Fisheries
Management Questions and Correct Answers | Latest
Update
What is the goliath grouper?
Ans: The goliath grouper is a large fish species found in warm coastal
waters, known for its size and importance in marine ecosystems.
What are three pieces of evidence to justify opening or closing the
goliath grouper fishery?
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Ans: 1) The population status of goliath grouper, 2) The ecological role
of goliath grouper in the ecosystem, 3) The economic impact on local
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fisheries.
What is sustainable seafood?
Ans: Sustainable seafood refers to seafood sourced from fisheries or
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aquaculture operations that maintain healthy fish populations and
ecosystems.
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What questions should you ask a waiter to determine sustainable
seafood?
Ans: 1) From where and how were your clams harvested? 2) Where is
your blue crab harvested from? 3) From where and how were your oysters
harvested?
What is the importance of knowing where seafood comes from?
Ans: Understanding where seafood comes from helps ensure it is
sustainably sourced, supports local economies, and promotes healthy
eating.
What precautions should be taken before purchasing oysters?
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Ans: Ensure the oyster farm/market follows health regulations,
practices sustainable harvesting, and provides information on the source
of the oysters.
How should oyster shells be disposed of sustainably?
Ans: Encourage composting or recycling the shells, or returning them to
the ocean to support habitat restoration.
What is eutrophication?
Ans: Eutrophication is the process by which water bodies become
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enriched with nutrients, leading to excessive growth of algae and
depletion of oxygen.
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What are the impacts of eutrophication on marine organisms?
Ans: Eutrophication can lead to hypoxia, harming fish and other marine
life by reducing oxygen levels in the water.
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What is a keystone species?
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Ans: A keystone species is one whose impact on its ecosystem is
disproportionately large relative to its abundance, such as oysters in
marine environments.
What are heterotrophs?
Ans: Heterotrophs are organisms that cannot produce their own food
and rely on consuming other organisms for energy.
What are autotrophs?
Ans: Autotrophs are organisms that produce their own food through
photosynthesis or chemosynthesis, such as plants and phytoplankton.
What is the role of zooplankton in the marine food web?