More cards in this set

Card 6

Front

How can the spiracles be opened?

Back

Preview of the front of card 6

Card 7

Front

What happens when the spiracles open and what are they for?

Back

Preview of the front of card 7

Card 8

Front

Explain why water is always lost from the gas exchange surfaces of terrestrial organisms.

Back

Preview of the front of card 8

Card 9

Front

Why is rate of water loss very low in most insects?

Back

Preview of the front of card 9