Pollination

Which structure houses a plant's pollen prior to pollination?

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NGSS.MS-LS1-4

How does the pollination of most trees and grasses differ from the pollination of flowers?

• Trees and grasses self-pollinate; flowers must get pollen from other flowers

• Trees and grasses pollinate in the springtime; flowers pollinate in the fall

• Trees and grasses are often pollinated by wind; flowers are often pollinated by insects

• Trees and grasses have large, heavy grains of pollen; flowers have small, fine grains of pollen

What information can you gather about a brightly-colored flower?

• It can only be pollinated by birds, not insects

• It has a greater chance of pollination than a dull-colored flower

• Its pollen is probably the same bright color

• It is probably pollinated by an insect that is attracted to that color

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NGSS.MS-LS1-4

How does insect pollination help the insect?

• The insect uses the fertilized seed as food

• The insect uses the plant's nectar as food

• The insect uses the plant's pollen as food

• The insect uses the plant's leaves and petals as food

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NGSS.MS-LS1-4

Honeybees and flowers are linked in a mutually beneficial relationship. What is a "mutually beneficial relationship?"

• A relationship in which one participant benefits but the other does not

• A relationship in which neither participant benefits

• A relationship in which one participant benefits but the other is harmed

• A relationship in which both participants benefit

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NGSS.MS-LS1-4

NGSS.MS-LS2-2

Place the following events in sequence: A) Pollen is deposited on a pistil; B) Pollen fertilizes an ovule; C) A honeybee collects pollen

• B, C, A

• A, C, B

• C, A, B

• B, A, C

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NGSS.MS-LS1-4

What is another name for a fertilized ovule?

• A pistil

• A stamen

• An anther

• A seed

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NGSS.4-LS1-1

How does a honeybee collect pollen

• It swallows the pollen

• It brushes against the pollen as it collects nectar

• It puts the pollen in a special pouch in its abdomen

• It rubs the pollen on its wings

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NGSS.4-LS1-1

NGSS.4-LS1-2

What can you conclude about flowers that are pollinated by bats?

• They are probably located in caves

• They probably contain no pollen

• They probably bloom at night

• They are probably very brightly colored

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NGSS.MS-LS1-4

Write in what you know about pollination.

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