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Biology qt4 > Reproduction-rete testis > Flashcards

Reproduction-rete testis Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

definition of reproduction

A

to make a copy

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2
Q

characteristics of asexual reproduction

A

1 parent, no variety, poor survival, many offspring

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3
Q

why do we have reproduction

A

growth and repair

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4
Q

where does bionary fission occur in (type of organism)

A

bacteria

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5
Q

what happens in bioanry fission

A

1 organism splits in half

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6
Q

how often do your cells reproduce

A

every 20 minutes

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7
Q

why type of reproduction is bionary fission

A

asexual

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8
Q

what organism does budding occur in

A

hydra or yeast

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9
Q

describe the basics of budding

A

organism grows identical buds on its side

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10
Q

where do hydra live

A

fresh water

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11
Q

what same animal group do hydra belong to

A

JellyFish

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12
Q

mouth/anus of hydra name

A

daphnia

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13
Q

daphnia

A

mouth/anus in hydra

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14
Q

stinging cells on hydra name

A

nematocysts

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15
Q

what happens when the bud gets big enough

A

it breaks off and the parent dies

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16
Q

characteristics of sexual reproduction

A

2 parents, variety, good survival, few offsprings, demanding

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17
Q

definition of sexual reproduction

A

union of 2 gametes (sex cells: egg and sperm) to form a zygote (fertilized egg)

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18
Q

zygote

A

fertilized egg

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19
Q

gonads

A

(ovaries, testes) produce gametes (sex organs)

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20
Q

conjugation

A

(paramecium) simplest sexual reproduction

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21
Q

example of conjugation

A

paramecium

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22
Q

describe the reproduction of paramecium

A

sexual; line up and shot genetic material into each other (exchange)

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23
Q

what are the hairs on the outside of the paramecium called

A

cilia

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24
Q

parthenogenesis

A

fertilization without sperm (bees) dont need males, fertilize themselves;nature values bees

25
Q

what animal does parthenogenesis

A

bees

26
Q

what type of reproduction is conjugation

A

sexual

27
Q

what type of reproduction is parthenogenesis

A

sexual

28
Q

definition of fertilization

A

union of sperm and egg

29
Q

what type of fertilizations are there

A

indirect and direct

30
Q

what type of animal groups do indirect fertilization

A

aquatic

31
Q

describe indirect fertilization

A

aquatic animals, poor survival, many eggs, example (frogs); little- no parental care

32
Q

example of indirect fertilization

A

frogs

33
Q

where does indirect fertilization occur

A

outside the body

34
Q

what do male frogs have that help them push out the females babys

A

thumb pads

35
Q

direct variation

A

intercourse, terrestrial animals, good survival, few offsprings, mammals

36
Q

what types of animals do direct fertilization

A

terrestrial animals, mammals

37
Q

what do mammals have to have to be mammals

A

body hair and produce milk

38
Q

what are the two exceptions of animals that are considered mammals

A

bats and whales

39
Q

name the 4 differences between humans and other mammals

A

breeding seasons, animals in heat, humans sexually active throughout entire life, sexuality is more than having babies

40
Q

how are breeding seasons regulated

A

hormones and temperature

41
Q

what is sexuality

A

how you think about yourself

42
Q

definition of puberty

A

changes in the body that make it physically possible to reproduce

43
Q

when does puberty occur

A

adolescence

44
Q

what develops during puberty

A

sex cells (gametes)

45
Q

secondary sexual characteristics of a male

A

body hair, voice deepening, facial hair, muscle development, triangle shaped

46
Q

secondary sexual characteristics of a female

A

vody hair, breast development, hip development, distribution of body fat, menstrual cycle

47
Q

are males and females different

A

yes, strikingly different

48
Q

similarities of males and females

A

same embryonic tissue, same hormones but different responses

49
Q

at how many weeks does the “y” chromosome kick in in a male

A

6 weeks

50
Q

functions of male

A

produce sperm, transfer sperm to female (intercourse)

51
Q

female functions

A

production of eggs, reception of sperm cells from male, nurturing the developing embryo, nourishing new individual (lactation) production of female sex hormones

52
Q

what is lactation

A

breast feeding

53
Q

what are sex cells called

A

gametes

54
Q

when does spermatogenesis occur

A

puberty

55
Q

what is spermatogenesis

A

sperm production

56
Q

how long does spermatogenesis occur

A

throughout life

57
Q

where does spermatogenesis occur

A

seminiferous tubules

58
Q

nickname for seminiferous tubules

A

sperm factories

59
Q

where do the seminiferous tubules empty into

A

rete testis

Biology qt4 (9 decks)

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