Adaptation (AQA GCSE Biology Combined Science): Flashcards

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Adaptation
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Adaptations definition

Special features helping organisms survive in their environment

Three types of adaptations

Structural, behavioural, functional

Structural adaptations

Physical body features like thick fur

Behavioural adaptations

Things organisms do like migrating

Functional adaptations

How body processes work, e.g. sweating to cool down

Small ears in cold - purpose

Less surface area means less heat escapes

Large ears in hot - purpose

Work like fans to lose heat quickly

Thick fur & fat in cold - purpose

Insulation to trap warm air

Extremophiles

Organisms living in extreme/deadly environments

Why cacti have no leaves

Normal leaves would lose too much water through transpiration

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