Internal Fertilisation - Type 2

Science: Year 5 & 6 National Curriculum, topic 1.3.3

Internal Fertilisation - Type 2

Internal fertilisation happens inside the female's body. There are three types of offspring development after internal fertilisation.

Type 2

Type 2

  • The female lays fertilised eggs.
  • The offspring develop in the egg using nutrients in the yolk.
  • The offspring hatch alive from the eggs sometime later.
  • This type is the most common in birds.

Test yourself on Internal Fertilisation - Type 2

  • Young birds get their nutrients from what part of the egg?

  • Where do the young of most birds develop after fertilisation?

  • What is correct about internal fertilisation type 2?

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