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reproduction Flashcards

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Biology 101 flashcards
1
Q

flower reproduction (order)

A

pollination
fertilisation
dispersal
germination

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2
Q

petal

A

brightly coloured to attract pollinators

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3
Q

stamen

A

the male sex organ

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4
Q

anther

A

part of the male sex organ - makes pollen

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5
Q

filament

A

a thin stalk that supports the anther

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6
Q

ovary

A

the female sex organs

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7
Q

stigma

A

collects pollen

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8
Q

style

A

connects stigma to the ovary

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9
Q

ovule/ova

A

found inside the ovary, contains the egg cell

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10
Q

what is internal fertilisation and what are it’s pros and cons

A

it is when an offspring is made and developed inside the female. it is good as it protects the baby but lowers the chances of multiple babies being born at that time

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11
Q

what is external fertilisation and what are it’s pros and cons

A

it is when offspring are born outside the female. With external fertilisation, there is increased genetic variations but it decreases the chance of the egg/eggs surviving

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12
Q

penis

A

deposits sperm into the vagina

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13
Q

urethra

A

the tube carrying the semen out of the penis

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14
Q

testes

A

produce sperm and testosterone

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15
Q

scrotum

A

holds the testes outside of the body

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16
Q

sperm duct

A

carries sperm towards the gland

17
Q

gland

A

mixes sperm with a fluid to produce semen

18
Q

vagina

A

receives the sperm

19
Q

uterus lining

A

builds up each month ready for egg implantation

20
Q

cervix

A

holds the baby in place during pregnancy

21
Q

oviduct

A

site of fertilisation

22
Q

plant reproduction in order=

A

pollen is transported by wind or insects
the pollen grain lands on stigma
a pollen tube grows down the style to ovary
pollen nucleus travels down pollen tube
nucleus fertilises ova
fertilised ova becomes seed
rest of ovary becomes fruit
seed is then dispersed

23
Q

what is IVF

A

this is when the sperm and egg cell fertilise in a test tube

24
Q

what does the placenta do in pregnancy

A

it carries nutrients and oxygen to the baby and co2 and waste products from baby to the mother

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