Plant reproduction (seed dispersal) Flashcards

1
Q

What do pollen grains land on?

A

Stigma

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2
Q

What do pollen tubes grow towards?

A

Ovule

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3
Q

What does the pollen tube have to reach?

A

Ovule

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4
Q

What does the pollens grains nucleus do once it reaches the ovule and meets the nucleus of the female gamete egg?

A

The pollen grains nucleus fuses with the nucleus (egg cell) of the ovule

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5
Q

What does this mean? The pollen grains nucleus fuses with the nucleus (egg cell) of the ovule?

A

Fertilisation has occurred

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6
Q

What does the fertilised egg develop into?

A

Embryo

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7
Q

What does the ovule develop into?

A

Seed

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8
Q

What does the ovary develop into?

A

Fruit

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9
Q

What does the fruit provide to the seed?

A

Protection

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10
Q

What does the fruit do to animals?

A

Encourages animals to eat seeds

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11
Q

How do the animals spread seeds around?

A

Spread seeds around in their faeces

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12
Q

True or false? The ovule is a seed

A

False the ovule develops into a seed

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13
Q

True or false? Pollen grains land on the style

A

False pollen grains land on the stigma

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14
Q

True or false? The nucleus of the pollen grain and egg fuse together developing into an embryo

A

True

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15
Q

True or false? The ovary develops into a fruit

A

True

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16
Q

True or false? The hollow tube grows towards the ovary

A

False a pollen tube grows towards the ovary

17
Q

True or false? Fertilisation for a plant has occurred when the nucleus of the pollen grain and female gamete egg have fused

A

True

18
Q

What are three types of seed dispersal methods

A

Animal inside animal outside and wind