Biomes and Environment (Grade 10 NSC Matric Life Sciences): Flashcards

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Biomes and Environment
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Main factors that shape a biome

Average yearly rainfall & temperature

Salt level in freshwater biomes

Less than 1%

Salt content in marine biomes

35g per litre (3.5%)

Number of major terrestrial biomes in SA

Eight

Largest biome in Southern Africa

Savanna

Number of fynbos plant species in SA

Over 9000

Annual rainfall in desert biome

Less than 250mm per year

Endemism

Species specific to a particular geographical location

Serotiny

Delayed release of seeds for optimal germination

Estuaries

Areas where fresh water mixes with salty ocean water

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Biospheres to Ecosystems

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Biospheres to Ecosystems

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Biospheres to Ecosystems

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Biospheres to Ecosystems

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