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Rock > Reproduction > Flashcards

Reproduction Flashcards

1
Q

Testies

A

organs that produce sperm

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2
Q

Scrotum

A

pouch of skin containing testes.

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3
Q

Fertilisation

A

penetration of the ovum by a sperm

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4
Q

Follicles

A

Sac contains eggs cell

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5
Q

Fallopian tube

A

tiny tubes joining the ovaries to the uterus

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6
Q

Puberty

A

life stage when the sex glands become active and bodily changes occur to enable reproduction

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7
Q

Hormones

A

Hormones have specific effects in the body.

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8
Q

Menstrual cycle

A

beginning of one period to the beginning of the next period

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9
Q

Menstruation

A

Monthly bleeding

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10
Q

Asexual reproduction

A

reproduction that does not involve sex half-cells

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11
Q

Gametes

A

reproductive cells

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12
Q

Sperm

A

male reproductive cell.

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13
Q

Ova

A

female gametes. Multiple

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14
Q

Zygote

A

cell formed by the fusion of two gametes

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15
Q

External fertilisation

A

reproduction where the eggs are released by the female into water and fertilised by sperm released nearby

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16
Q

Internal fertilisation

A

reproduction where the egg remains in the female and is fertilised by sperm inserted into the female

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17
Q

Copulation

A

the act of inserting sperm into the female

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18
Q

Meiosis

A

cell division process that results in new cells with half the number of chromosomes of the original cell

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19
Q

Epigenetics

A

new branch of science that involves studying the effect of our experiences on the expression of our genetic information

20
Q

Ejactculation

A

Released

sperm

21
Q

Semen

A

combination of fluid and sperm

22
Q

Flower

A

reproductive part of angiosperms containing petals, stamens and carpels

23
Q

Petal

A

coloured parts of a flower that attract insects

24
Q

Nectaries

A

parts of a flower, at the base of the petals, that secrete nectar

25
Q

Pollen

A

fine powder containing the pollen grains

26
Q

Stigma

A

at the top of the carpel, that catches the pollen during pollination

27
Q

Pollination

A

transfer of pollen from the stamen (the male part) of a flower to the stigma

28
Q

Cross pollination

A

Transfer of pollen from stamens of one flower to the stigma of a flower of another plant of the same species

29
Q

Insect pollinated flower

A

flowers that receive pollen carried on the body parts of insects from other flowers

30
Q

Wind pollinated flower

A

flower that receives pollen carried by the wind from another flower

31
Q

Anther

A

male part of a flower that makes pollen

32
Q

Pollen grain

A

male gametes of a flower

33
Q

Pollen tube

A

long tube growing from a pollen grain through the style to the ovule

34
Q

Ovule

A

receptacle within an ovary that contains egg cells

35
Q

Ovary

A

plants, the hollow, lower end of the carpel containing the ovules

36
Q

Fertilisation

A

penetration of the ovum by a sperm

37
Q

Zygote

A

Cell formed by the fusion of two gametes; fertilised ovum before it starts to divide into more cells

38
Q

Endosperm

A

food supply for the embryo plant in a seed

39
Q

Seed

A

product of a fertilised ovule

40
Q

Seed coat

A

the protective layer around a seed

41
Q

Fruit

A

the protective layer around a seed

42
Q

Disperse

A

scatter the seeds from plants

43
Q

Plumule

A

small bud at the tip of the embryo plant in a seed

44
Q

Radicle

A

beginnings of a root making up part of a plant embryo inside a seed

45
Q

Cotyledons

A

special leaves of the embryo plant inside a seed that provide food for the developing seedling

46
Q

Germination

A

first sign of growth from the seed of a plant

47
Q

Seedling

A

young plant produced from the embryo in the seed after germination

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