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Science > Plant Reproduction > Flashcards

Plant Reproduction Flashcards

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Biology 101 flashcards
1
Q

zygote

A

Fertilized egg, sperm and egg fuse to create the zygote

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2
Q

pollination

A

Process of transferring pollen from male reproductive structures to female gametophyte so it can fertilize egg cells

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3
Q

cones

A

Reproductive structures of gymnosperms

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4
Q

ovule

A

Structure holding the egg in females

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5
Q

fruit

A

Ripened ovary and other structures of an angiosperm enclosing one or more seeds

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6
Q

germination

A

sprouting seeds

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7
Q

disperse

A

To transport or move

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8
Q

Why have plants evolved specialized structures for reproduction?

A

successful reproduction

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9
Q

what are the different stages

A
  1. Sporophyte
  2. Gametophyte
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10
Q

In mosses and ferns, what does the sporophyte do?

A

The sporophyte releases spores that grow into male and female gametophytes.

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11
Q

gametophyte

A

During the gametophyte stage, male and female gametophytes produce sex cells that will eventually be involved in the process of fertilization

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12
Q

sporophyte

A

a plant produces the spores that will eventually develop into gametophytes

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13
Q

In mosses and ferns, what does the gametophyte do?

A

Gametophytes produce sperm and egg cells that are needed for a zygote.

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14
Q

what does the zygote form into

A

The zygote forms into a new sporophyte.

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15
Q

repeating cycle name

A

Life Cycle

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16
Q

What are the two types of vascular plants (that produce seeds)?

A
  1. gymnosperms
  2. angiosperms
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17
Q

gymnosperm

A

In gymnosperms, gametophytes develop inside cones, withitn a larger sporophyte

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18
Q

angiosperms

A

(gametophytes) they develop inside flowers, within a larger sporophyte

19
Q

Where is the gametophyte stage?

A

within a larger sporophyte

20
Q

what is the gametophyte and sporophyte in a tulip?

A

tulip= sporophyte
pollen/ovule=gametophyte

21
Q

What are the structures where the gametophyte forms?

A
  1. Cones
  2. Flowers
22
Q

What is the male gametophyte?

A

Pollen

23
Q

What develops into a sporophyte?

A

a zygote/seed

24
Q

What must happen before fertilization?

A

Pollination

25
Q

Asexual reproduction: Give an example of this in plants from a previous lesson

A

spider plant

26
Q

Why is apple tree grafting used?

A

To ensure that desired characteristics from the original tree are maintained in future trees

27
Q

What type of reproduction is grafting?

A

asexual

28
Q

What is an example of a gymnosperm?

A

Trees such as pines, redwoods, firs, cedars, and hemlocks

29
Q

How do gymnosperms disperse pollen?

A

Wind

30
Q

Why are the seeds of gymnosperms “naked”?

A

unprotected seeds

31
Q

How are these seeds dispersed?

A

wind

32
Q

What are two important characteristics of angiosperms

A

They all produce flowers and fruits that contain seeds.

33
Q

What contains the reproductive structures of angiosperms?

A

flower

34
Q

What are the male reproductive parts of the flower?

A
  1. stamen
  2. Filament
  3. Anther
35
Q

stamen

A

anther + filament

36
Q

Which male part produces the pollen?

A

Anther

37
Q

What are the female reproductive parts of the flower?

A

Pistil
Stigma
Style
Ovary

38
Q

What is the function of petals?

A

Attract pollinators

39
Q

What is the function of sepals?

A

Protects the growing flowers

40
Q

After fertilization, what does the zygote become?

A

embryo

41
Q

From what does the fruit develop?

A

ovary

42
Q

How are seeds dispersed? Give several examples.

A

Animal Waste
Wind
Falling into water
Attach to fur or clothing if it has barbs

43
Q

Why do plants disperse their seeds?

A

Seeds dispersed far from the parent plant have a better chance of surviving, less competition.

Science (23 decks)

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