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AP Biology > Chapter 37 > Flashcards

Chapter 37 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

sexual reproduction

A

genes of two individuals are combined to produce offspring

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2
Q

gametes

A

reproductive cells produced by meiosis

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3
Q

ova

A

gametes of the female parent, large and nonmotile

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4
Q

spermatozoa

A

gametes of the male, small and motile with flagella

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5
Q

asexual reproduction

A

offspring are produced by just a single parent through mitosis

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6
Q

primary reproductive organs

A

gonads (ovaries and testes)

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7
Q

accessory reproductive organs

A

reproductive organs other than the gonads

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8
Q

secondary sexual characteristics

A

properties of non reproductive tissues and organs that are distinctive in each sex

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9
Q

gametogenesis

A

the process by which gametes are produced

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10
Q

germ cells

A

cells in the gonads that are capable of undergoing meiosis to produce gametes

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11
Q

spermatogenesis

A

gamete production in males

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12
Q

oogenesis

A

gamete production in females

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13
Q

Sertoli cells

A

assist sperm production

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14
Q

interstitial cells

A

produce the steroid sex hormone testosterone

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15
Q

vas deferens

A

tube that carries the sperm out of the testis during ejaculation

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16
Q

ovarian follicle

A

developing ovum and its support cells

17
Q

oocyte

A

developing ovum

18
Q

ovulation

A

the release of an ovum from the ovary

19
Q

spawning

A

when aquatic animals release gametes into the environment

20
Q

external fertilisation

A

fertilisation occurs outside the female’s body

21
Q

internal fertilisation

A

sperm is inserted into the reproductive tract of a female

22
Q

sex determination

A

the process by which the sex of an individual becomes fixed

23
Q

environmental sex determination

A

the sex of each individual is determined by the temperature it experiences during its embryonic development

24
Q

embryonic diapause

A

programmed state of arrested or profoundly slowed embryonic development

25
Q

delayed implantation

A

postpones the implantation of the blastocyst into the endometrium

26
Q

semelparous

A

each individual is physiologically programmed to reproduce only once

27
Q

iteroparous

A

individuals are physiologically capable of two or more separate periods of reproductive activity during their lives

28
Q

photoperiod

A

amount of daylight per 24-hour day, acts as an environmental cue for some reproductive cycles

AP Biology (19 decks)

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