MediumBiologyHigh School (9–10)GeneralDiversity of Living Organisms › Plant and Animal KingdomsConceptual

Name the class of each animal: a shark, a salamander, a turtle, an owl, and a bat.

Try it on paper first. A hint, the key idea and the worked solution are here when you need them.

Name the class of each animal: a shark, a salamander, a turtle, an owl, and a bat. One of these may surprise you.

Need a reminder? The key ideaShow

Pisces: scales, gills, 2 chambers. Amphibia: moist skin, 3 chambers. Reptilia: dry scales, 3 chambers (4 in the crocodile). Aves: feathers, 4 chambers, warm-blooded. Mammalia: hair, milk, 4 chambers, warm-blooded.

The worked solution

Have you tried it?

Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.

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