extinction Flashcards Preview

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Flashcards in extinction Deck (8)
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1
Q

name a cause of extinction

A

quick environmental changes, a new predator, a new disease, competing for food with another species, a catastrophic event

2
Q

name 2 different causes of extinction

A

quick environmental changes, a new predator, a new disease, competing for food with another species, a catastrophic event

3
Q

what is the definition of extinction

A

when no individual of a species remains

4
Q

what species do we need to not go extinct to help save the world

A

insects and plant

5
Q

why do we need to not let insects and plants go extinct

A

without insects, organic matter cannot be broken down which could be used for plant growth. a lot of crops rely on pollination. food production will fall.

6
Q

how many crops rely on pollination

A

around 3/4

7
Q

why do people need to stop chopping trees

A

trees block water with roots = no trees = landslide/floods

8
Q

what could the government have done to help biodiversity

A

not wasted 20/30 years and given more attention to biodiversity as not gibbing it attention will lead to the world dying and killing many species.