Which of the following statement(s) is/are true?
I. In earthworms, the exchange of gases occurs through their moist skin.
II. In insects, the exchange of gases occurs through the gills.
1
Neither I nor II
2
Only I
3
Both I and II
4
Only II
Which of the following statement(s) is/are true?
I. In earthworms, the exchange of gases occurs through their moist skin.
II. In insects, the exchange of gases occurs through the gills.