biology sex test plants and humans and animals y7 14.03.20

what does the foetus mean

when the embryo has grown all of its organs it is called this, it takes roughly around 10 weeks

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what is the umbilical cord

a cord that carries food/oxygen/waste between placenta and foetus

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what is a gamete

the collective word that describes the male and female sex cell meeting and producing a zygote

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what is the uterus

the place where baby develops

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what is the embryo

the name given to the baby when it is 0 to 10 weeks old, formed from cell division

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what is menstruation

the process of the uterus lining breaking

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what is it called when blood passes out of the vagina

a period

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what is it called when the egg prepares to leave the ovary

matures

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what is it called when the egg is let out of the ovary

ovulation

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what day does ovulation take place

the 14th

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how long does menstruation last for

28 days

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why is the sperm cell streamlined

so that it can swim faster

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what adaptation does the egg cell have to help it in the process of fertilisation

it is a lot bigger than the male sex cell, so that the sperm can fetilise it easily

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why do some flowers have brightly coloured petals

to attrackt insects to pollinate them, such as bees

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what are the two main types of pollination

wind and insect/animal polliantion

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can most plants be pollinated by both main agents of pollination

yes

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why does the smell of a flower/plant impact fertilisation

beacuse the smell attrackst the insects / animals

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what else attrackts insects / animals

nectar, especially for bees

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what are the two types of plant fertilisation

self and cross

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what is the process of plant fertilisation

the pollen moves via an agent of pollination from the anther to the stigma, then the stigma keeps hold of the pollen and the pollen grain makes pollen tubes down the style all the way to the ovule. Next the nucleus of the pollen/ovule fuse together

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what are the female parts of a plant and what is their collective name

carpel: stigma style petal

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what are the male parts of a plant and what is their collective name

stamen: anther filament

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biology sex test plants and humans and animals y7 14.03.20

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