seed dispersal Flashcards

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1
Q

how are seeds dispersed

A

when seeds are dispersed away from each other, this is so that they have space to grow.

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2
Q

The main methods of seed dispersal

A

Wind
Animal
Water
Explosive

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3
Q

Wind dispersal

A

the wind usually catches fruit as they have a small mass and extensions that parachutes or wings.

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4
Q

Animal dispersal

A

Internally- as fruits are usually bright colours, this attracts animals to them. When the seed goes through an animal, it is not damaged as the seed has a hard coat.

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5
Q

Animal dispersal 2

A

Externally- some fruits have hooks which stick to animals. the seeds get caught in there fur.

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6
Q

Water dispersal

A

When plants live near water, they usually disperse with a small mass on water. Seeds are then transported away from the parent plant in streams or rivers.

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7
Q

Explosive dispersal

A

When a fruit is ripe they usually burst open. This means it is usually sweet.

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