Nature Study Book - Mapping concepts

Hi pupils,

We have discussed about the characteristics of amphibians and reptiles in class today.

How do amphibians breathe?
Check out this website.
http://www.brown.edu/Departments/Engineering/Courses/En123/MuscleExp/Frog%20Respiration.htm

Please complete mapping out the characteristics of the other animal groups (Fish, Mammals, insects, birds) as homework.

Regards,
Mrs Tan