1) Living things will some day. in living things helps their own kind to to exist on Earth.

2) When living things reproduce, some or traits of the parents are passed on to the young. We say that the young these characteristics from their parents.

3) The transfer of t from to is called heredity.

4) The that are involved in the reproduction form the reproductive of the body. Once our reproductive systems are fully , we are able to reproduce.

5) In males, the develop and produce the . In females, the develop and produce or ova.

6) Mating is the process when from the male testes are released into the female's through the . The sperm travels towards the egg. Only sperm will with the egg.

7) happens when the male cell fuses with the female reproductive . The egg divides to form many . A baby develops from these cells in the mother's . It stays there until it is fully formed.

8) fertilisation occurs when the is fertilised by the while the egg is still inside the body of the female. Examples: B, r and m.

9) External fertilisation occurs when the egg if fertilised outside the body of the female animal. Examples: occurs in most f and a.

10) Not all eggs will develop into young organisms. Only a fertilised egg will grow.

11) The developing baby is connected to the mother by an u cord. The cord supplies nourishment and o to the embryo. It also removes w products from the baby's body.

Test yourself
Why do living things reproduce?
What are some characteristics that are passed on from parents to young?
Am I able to name the parts of the human male and female reproductive systems?
Am I able to describe how reproduction occurs in humans?
Do I know the similarilities in the sexual reproduction of flowering plants and animals?

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