Why do birds lay eggs?

Science

Reproductive cycles

In the lifecycle of a chicken, after hatching it is considered a...

Which of these refers to a bird that is learning to fly?

What is this the definition of? Spiral, rope-like strand that anchors the yolk in the thick egg white. There are two _______ anchoring each yolk, one on the top and one on the bottom.

Which of these fits this definition? The egg white. Contains proteins.

Which of these is NOT a method in which male birds attract a mate?

In sexual reproduction, what do you need in order for fertilisation to occur?

Which of these is not true for ALL mammals?

The maximum gestation period for a mammal is 1 year

Which of these is NOT an example of a placental mammal?

Which of these animals is an example of a Monotreme mammal?

Why do birds lay eggs?

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