Adaptations for Hot Environments (VCE SSCE Biology): Flashcards

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Adaptations for hot environments
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Abiotic factors

Non-living properties (temperature, water, nutrients, acidity)

Desert (rainfall definition)

Area receiving less than 250 mm of rain per year

3 types of adaptations

Structural, physiological, behavioural

Structural adaptations

Evolved modifications to physical structure

Physiological adaptations

Evolved modifications to internal/metabolic processes

Behavioural adaptations

Evolved modifications to actions (animals only)

Endotherms

Animals producing own heat through metabolic processes

Ectotherms

Animals obtaining heat primarily from environment

Stomata

Small pores on leaf surface regulating gas exchange

Guard cells

Pair of cells surrounding stomata, controlling opening/closing

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