pollination Flashcards

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1
Q

pollination definition

A

The fertilisation of flowers by the transfer of pollen from one to the other

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2
Q

male sex organ of a flower

A

stamen

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3
Q

female sex organ of a flower

A

pistils

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4
Q

where are the male gametes produced

A

they are contained in pollen grains which are produced in the anther

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5
Q

Where are the female gametes produced

A

egg cells or ova are produced in the ovule found in the ovary

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6
Q

self pollination

A

the pollen grain lands on the same flower it originated from

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7
Q

Cross pollination

A

the pollen grain lands on a different flower it originated from

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8
Q

difference in stamen (insect pollinated vs wind pollinated)

A

insect pollinated - enclosed within the flower so insects must make contact.
Wind pollinated - exposed so the wind can blow the pollen away.

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9
Q

difference in petals (insect pollinated vs wind pollinated)

A

insect pollinated - the petals are bigger and more colourful.
wind pollinated - the petals are usually green and dull

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10
Q

difference in type of stigma (insect pollinated vs wind pollinated)

A

insect pollinated - enclosed and sticky that pollen attaches to insects.
wind pollinated - exposed and feathery to catch pollen blown from the wind.

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