Adaptations, Interdependence & Competition (AQA GCSE Biology Combined Science): Flashcards

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Interdependence
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Interdependence

When species in a community depend on each other for survival

Stable community

All species living together are balanced and healthy

Features of a stable community

Balanced environmental factors & steady population sizes

Pollination

Moving male gametes (pollen) to female gametes (egg cells)

Two agents of pollination

Wind and bees/insects

Two methods of seed dispersal

Wind and animals

Mutualism

Partnership where both species benefit from the relationship

Effect of removing blackberries from woodland

Less food for rabbits & sparrows, populations decrease

Effect of removing sparrowhawks

Sparrow populations increase, more seeds/berries eaten

What food webs show

How species are connected through what they eat and what eats them

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