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N5 Biology > Reproduction > Flashcards

Flashcards in Reproduction Deck (29)
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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

1
Q

Why is it important for species to reproduce?

A

Species reproduce in order to survive

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

3
Q

What is asexual reproduction?

A

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

4
Q

What is another name for sex cells?

A

Gametes

5
Q

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

A

Ovaries, oviducts, uterus,cervix,vagina

6
Q

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

A

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

7
Q

What is a male and females nail am gametes called?

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

When does fertilisation occur?

A

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

9
Q

What is the name given to body cells?

A

Diploid

10
Q

How many chromosomes does a diploid cell contain?

A

46

11
Q

What is the name given to gemete cells?

A

Haploid

12
Q

How many chromosomes do haploid cells contain?

A

23

13
Q

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

A

A diploid zygote

14
Q

What is budding?

A

When cells of the patent split into two identical daughter cells

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
Q

What does a fertilised ovule become?

A

A seed

25
Q

What does the ovary in the plant become a yer fertilisation?

A

The fruit

26
Q

Describe the seeds structure

A

Embryo -that becomes the shoots and the roots
Food store- becomes the energy for growing embryo
Seed coat - protect embryo

27
Q

Why are seeds well dispersed?

A

To increase the chance of survival as competition is reduced and new habitats are found

28
Q

Name the sites of gamete production in a plant

A

Female- ovary - ovule

Male- anther -pollen