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Biology > Ch 39 Sexual Reproudction In Flowers > Flashcards

Ch 39 Sexual Reproudction In Flowers Flashcards

1
Q

Sexual reproduction

A

Involves the fusion of sex cells from both parents

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2
Q

Gametes

A

Haploid cells

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3
Q

Receptacle

A

Supports the floral part of flower

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4
Q

Petals

A

Can be used to attract insects

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5
Q

Stamens

A

The male part of the flower

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6
Q

Sepals

A

Protect the flower

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7
Q

Carpels

A

Female part of the flower

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8
Q

Stigma

A

Where the pollen lands on carpel

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9
Q

Style

A

Where the pollen grows to reach the ovary

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10
Q

Exine

A

Of a pollen grain is a thick outer wall, allows pollen to survive

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11
Q

Pollination

A

Is the transfer of pollen from the anther to a stigma of a flower from the same species

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12
Q

Self pollination

A

The transfer of pollen from the anther to the stigma on the same plant

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13
Q

Cross pollination

A

Transfer of pollen from the anther to the stigma of a different plant but from the same species

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14
Q

Fertilisation

A

The fusion of the male and female gamete to form a diploid zygote

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15
Q

Non endospermic

A

Seed has no endosperm

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16
Q

Endospermic

A

Seed has an endosperm

17
Q

Dispersal

A

Is the transfer of a seed away from the parent plant

18
Q

Dormancy

A

is when a seed is undergoing no growth and there is reduced metabolism

19
Q

Germination

A

The regrow the of a seed after a period of dormancy

20
Q

Germination

A

The beginning of the process of development of a seed to an adult plant

21
Q

Seed dispersal

A

Where seeds are spread away from the parent plant to avoid competition

22
Q

Methods of seed dispersal

A

Wind- winged fruits
Animal- poop
Water- buoyant fruit
Self- pea pods burst

23
Q

Three factors necessary for seeds to germinate

A

Suitable temperature
Oxygen
Water

24
Q

Two types of pollination

A

Self pollination

Cross pollination

25
Q

Two types of cross pollination

A

Insect

Wind

Biology (14 decks)

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