Give examples of seasonal events whose timing may be altered by climate change.

Flowering, migration, and breeding.

How does climate change affect rainfall patterns?

Climate change causes increased precipitation in some regions and drought in others.

How does climate change affect seasonal cycles?

Climate change causes earlier spring events and later autumn events.

Edexcel A-Level Biology A 9BN0

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The effects of climate change on organisms

3 things to know
Papers 1 and 3

Overview

Recall questions on changes to distribution, life cycles and the timing of seasonal events, and on phenological mismatch.

What you need to know

Answer each one before you reveal it.

Your recallNot started

Key term

How does climate change affect water availability for organisms?

Key term

How does climate change affect the distribution of species?

Key term

How does climate change affect the development and life cycles of organisms?

Questions from this subtopic

Each one with the model answer underneath.

1
How does climate change affect water availability for organisms?
Model answer
Climate change affects rainfall patterns, leading to changes in water availability.
2
Give examples of seasonal events whose timing may be altered by climate change.
Model answer
Flowering, migration, and breeding.
3
How does climate change affect the distribution of species?
Model answer
Organisms shift their ranges to track suitable conditions as climate changes.
4
How does climate change affect the development and life cycles of organisms?
Model answer
Climate change affects temperature-dependent processes that control development and life cycles.
5
How does climate change affect rainfall patterns?
Model answer
Climate change causes increased precipitation in some regions and drought in others.
6
How does climate change affect seasonal cycles?
Model answer
Climate change causes earlier spring events and later autumn events.

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