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Biology > Chapter 30 > Flashcards

Chapter 30 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

embryo and nutrients surrounded by a protective coat

A

seed

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2
Q

How can a seed be transported?

A

By wind, water, and animals

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3
Q

naked seeds

A

gymnosperms (conifers)

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4
Q

flowering plants

A

angiosperms

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5
Q

seedless plants nonvascular

A

dominant gametophyte generation

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6
Q

seedless plants vascular

A

dominant sporophyte

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7
Q

Most conifers are ____ and can carry out photosynthesis year round.

A

evergreens

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8
Q

bear seeds in cones
separate female and male cones
male cones produce pollen which is carried by wind to female cones
female cones produce ovules

A

Gymnosperms (naked seeds)

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9
Q

Angiosperms originated at least ___ years ago

A

140 million

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10
Q

seed plants with reproductive structures

A

flowers and fruits

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11
Q

most widespread and diverse of all plants

A

angiosperms

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12
Q

Angiosperms are all classified in a single phylum called?

A

anthophyta

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13
Q

Angiosperms are mainly pollinated by ___ and ___, but some can be by ___.

A

insects, animals, wind

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14
Q

specialized for sexual reproduction

A

flowers

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15
Q

enclose the flower

green or colored

A

sepals

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16
Q

brightly colored and attract pollinators

A

petals

17
Q

male

produce pollen on their terminal anthers

A

stamens

18
Q

female

produce ovules

A

carpels

19
Q

mature ovary containing 1 or more seeds

A

fruit

20
Q

Fruits ___ seeds and aid in their ___.

A

protect; dispersal

21
Q

Most of our food comes from

A

angiosperms

22
Q

What 6 crops yield 80% of calories consumed by humans?

A

wheat, rice, maize, potatoes, cassava, and sweet potatoes

23
Q

products of relatively recent genetic change resulting from artificial selection

A

modern crops

24
Q

Example of a gymnosperm

A

pine tree

25
Q

Example of an angiosperm

A

rose

Biology (6 decks)

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