Reproduction

Question 1

Sexual reproduction

Answer 1

Reproduction uses 2 organisms from a species: 1 male and 1 female
Advantages: - less susceptible to disease
Disadvantages: - slow
-you need a male and female

Question 2

Function of the woman’s uterus (womb)

Answer 2

This is where a fetus will develop

Question 3

Function of a woman’s oviduct (Fallopian tube)

Answer 3

Eggs travel along this tube on the way to the uterus

Question 4

Function of the woman’s ovary

Answer 4

Eggs are stored and released from here

Question 5

Function of the woman’s cervix

Answer 5

This is a narrow opening between the vagina and uterus

Question 6

Function of the woman’s lining of the uterus

Answer 6

This thickens every month in order to receive a fertilised egg

Question 7

Function of the woman’s vagina

Answer 7

Sperm enter the body here

Question 8

Function of the mans penis

Answer 8

This becomes erect when it fills with blood

Question 9

Function of the mans testis

Answer 9

Sperm are made here

Question 10

Function of the mans scrotum

Answer 10

This holds the testes

Question 11

Function of the mans sperm duct

Answer 11

Sperm travel along here

Question 12

Function of the mans glands

Answer 12

These add fluid to help sperm swim

Question 13

Function of the mans urethra

Answer 13

Sperm leave the body through this tube

Question 14

Sperm cell

Answer 14

A sperm is small and has a long tail that provides movement so it can swim and find the egg

The head contains special chemicals which allows it to digest into an egg cell and join with it

Question 15

Egg cell

Answer 15

An egg cell contains yolk which provides a large food store for the new cell being formed

Question 16

Chromosomes

Answer 16

Edit here

Question 17

Non identical twins

Answer 17

Non identical twins are made by two separate eggs and two sperm therefore they do not have the same DNA

Question 18

Identical twins

Answer 18

Identical twins are made by one egg and one sperm multiplying and then splitting

Question 19

Placenta

Answer 19

Placenta is an organ which attaches the developing foetus to the uterine wall. This organ has various functions such as providing nourishment and allowing nutrient uptake to the foetus. It also removes waste from the foetus through the mothers blood supply

Question 20

Asexual reproduction

Answer 20

It means it can copy itself on its own. For example: bacteria, potato plants, strawberry plants and spider plants
Advantages: - reproduce quickly
-doesn’t need a mate
Disadvantages: -susceptible to disease (1 gets sick all get sick)