Conservation of Species and Habitats Flashcards

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In biology, what does conservation mean?

Conservation means carefully managing the environment to protect species and habitats so they can survive.

What does the word 'biodiversity' mean?

Biodiversity is the variety of different living organisms, such as plants and animals, in an area.

Give two reasons why we should conserve species and habitats.

Conservation helps prevent extinction and keeps stable food webs, and it protects resources we may need in the future, such as food and medicines.

How do national parks and nature reserves help to conserve habitats?

They are protected areas where harmful activities are limited, so species and habitats are kept safe.

How does planting hedgerows or leaving field margins help conserve species on farms?

They provide food and shelter for many wild plants and animals, which increases biodiversity on the farm.

What is a captive breeding programme?

It is when endangered animals are bred in zoos or special centres to increase the size of their population.

Why might animals from a captive breeding programme be released back into the wild?

They are released to rebuild wild populations and help restore a healthy, self-sustaining ecosystem.

What is a seed bank used for in conservation?

A seed bank stores seeds from many plant species so they can be grown in the future if wild plants are lost.

What is a gene bank?

A gene bank is a store of genetic material, such as sperm, eggs or embryos, to preserve the genes of many individuals.

How do international agreements, such as CITES, help conserve species?

They set rules to control or ban trade in endangered species and their products, which helps reduce the risk of extinction.

How can replanting trees (reforestation) help conserve habitats?

Replanting trees restores forest habitats so plants and animals can return and biodiversity can increase.