Reproduction Flashcards

0
Q

What is the aim of reproduction?

A

To produce a new living organism which will at some point will become independent from it’s parent

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1
Q

Why is it important for species to reproduce?

A

Species reproduce in order to survive

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2
Q

What is sexual reproduction?

A

Sexual reproduction involves two parents who’s offspring is made up from the genetic information from both parents

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3
Q

What is asexual reproduction?

A

Asexual reproduction is when there is only one parent and the offspring is an identical copy

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4
Q

What is another name for sex cells?

A

Gametes

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5
Q

What are the main parts of a female animal reproductive system?

A

Ovaries, oviducts, uterus,cervix,vagina

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6
Q

What are the main parts of a male animal reproductive system?

A

Penis, scroutm, testis, sperm duct, prostate gland, urethra

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7
Q

What is a male and females nail am gametes called?

A
Female= eggs from ovaries
Male= sperm from testis
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8
Q

When does fertilisation occur?

A

Fertilisation occurs when the nucleus of the male gamete fuses with the nucleus of the female gamete

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9
Q

What is the name given to body cells?

A

Diploid

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10
Q

How many chromosomes does a diploid cell contain?

A

46

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11
Q

What is the name given to gemete cells?

A

Haploid

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12
Q

How many chromosomes do haploid cells contain?

A

23

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13
Q

During fertilisation, what do two haploid cells fuse to create?

A

A diploid zygote

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14
Q

What is budding?

A

When cells of the patent split into two identical daughter cells

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15
Q

What is parthenogenesis?

A

It is when eggs are laid without needing to be fertilised in asexual reproduction in animals

16
Q

What is regeneration?

A

Regeneration is when a part of the body which had become detached can we grow into a whole new organism

17
Q

What does the structure of the Flower consist of?

A
Petals
Sepal
Nectary
Filament
Anther
Stigma
Style
Ovary
18
Q

What is the stamen?

A

It is the male part of the plant that consists of the anther and the filament

19
Q

What is the carpel?

A

It is the female part of the plant that consists of the stigma, style and the ovary

20
Q

What is the male gamete in plants?

A

Pollen, from the anthers

21
Q

Where is the female gamete produced in a plant?

A

Ovule, in the ovaries

22
Q

Describe the look of a insect pollinated plant

A
Brightly coloured petals
Strong sweet smell
Sticky stigma
Sticky pollen
Stigma and stamen are located within the flower
23
Q

Despicable the appearance of a wild pollinated plant

A

Dull petals
Small amount of pollen
Large hanging stamen
Feather like stigma

24
What does a fertilised ovule become?
A seed
25
What does the ovary in the plant become a yer fertilisation?
The fruit
26
Describe the seeds structure
Embryo -that becomes the shoots and the roots Food store- becomes the energy for growing embryo Seed coat - protect embryo
27
Why are seeds well dispersed?
To increase the chance of survival as competition is reduced and new habitats are found
28
Name the sites of gamete production in a plant
Female- ovary - ovule | Male- anther -pollen