The Big Question: Why do giraffes have long necks?

Giraffes - they're graceful, beautifully patterned and have ridiculously long necks!

This week's question comes from Ardour Primary School in Scotland, and they want to know how a giraffe's neck got to be so long!

Ayshah has the answer to this tall tale for you.

If you've got a Big Question you'd like an answer for, get in touch.