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Bob Hawke > science reproductive system > Flashcards

science reproductive system Flashcards

1
Q

Define reproduction

A

the process of creating offspring

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2
Q

What is the purpose of reproduction

A

-increase population size
-new individuals
-genetic variation

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3
Q

why do cells reproduce

A

DNA repair
tissue repair
Growth

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4
Q

what is mitosis

A

parent cells making 2 identical daughter cells

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5
Q

what is asexual reproduction?

A

when creating offspring is entirely done by one parent

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6
Q

what is sexual reproduction

A

when creating offspring is done by two parents fusing their gametes

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7
Q

what are the advantages of asexual reproduction

A

-only one parent required
-less time and energy

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8
Q

what are the disadvantages of asexual reproduction

A

-no genetic variation
-more offspring

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9
Q

what are the advantages of sexual reproduction

A

-more genetic variation

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10
Q

what are the disadvantages of sexual reproduction

A

-more time and energy
-requires two parents

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11
Q

what is Budding

A

parents cells form a bud that develops into new organisms

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12
Q

what is Binary fusion

A

parents cell splits into 2 identical daughter cells

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13
Q

what is fragmentation

A

parent breaks into fragments all new organisms

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14
Q

what is spores

A

single cells that develop into offspring with perfect locations

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15
Q

what are parthenogenesis

A

unfertilized egg turned into offspring

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16
Q

what is internal fertilisation

A

sperm and ova fuse inside female

17
Q

what is external fertilization

A

sperm and ova fuse outside female

18
Q

what are the male parts of a flower

A

anther
filament

19
Q

what are the female parts of the flower

A

stigma
styles
ovary
ovule

20
Q

how does pollination occur

A

when the wind, water, the flower self or animals move pollen accident or on purpose to a flower

21
Q

what are all the methods of pollution

A

-self-pollination
-cross-pollination
-insect pollination
-wind pollution

22
Q

what is an ova

A

female gamete

23
Q

what is gamete

A

sex cells

24
Q

what is sperm

A

male gamete

25
Q

what is zygote

A

when ova and sperm fuse

Bob Hawke (27 decks)

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