Biology Topic Practice

Sustainable Fisheries

Fish stocks in the oceans are declining; it is important to maintain these stocks at a level where breeding can still occur.

Give two ways fish stocks can be managed sustainably.

What is Sustainable Fisheries?

"Sustainable fishing means leaving enough fish in the ocean and protecting habitats and threatened species."

Question 1

What is meant by a community in ecology?

Question 2

In a stable community, the populations of all species remain relatively constant. What is this called?

Question 3

Which type of pollution can lead to eutrophication in lakes and rivers?

Question 4

Which term describes the non-living conditions in a habitat, such as temperature and light intensity?

Ocean Sustainability

Net size limits: Ensuring young fish can escape to grow and breed.

Fishing quotas: Limiting the amount of fish that can be caught in a season.

Protected areas: Regions where fishing is completely banned.

Exam Tip

Sustainability means meeting our food needs today without compromising the ability of future generations to meet theirs.

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