Fertilisation
Science: Year 5 & 6 National Curriculum, topic 1.3.1
Fertilisation
Fertilisation is part of the process of sexual reproduction. Fertilisation happens when the male and female reproductive cells join.
Internal fertilisation
- Internal fertilisation happens inside the body of the female.
- The females release eggs inside her body.
- Males then release sperm inside the female body to fertilise the eggs.
External fertilisation
- External fertilisation happens outside the body of the female.
- The females release eggs outside of her body.
- Males then release sperm over the eggs to fertilise them.
Test yourself on Fertilisation
What happens when male and female reproductive cells join?
Which type of reproduction involves fertilisation?
Where does external fertilisation happen?
Who releases the eggs in external fertilisation?
Who releases the sperm in external fertilisation?