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MIDDLE SCHOOL

Life Science

Biological Evolution: Unity and Diversity

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Biological Evolution: Unity and Diversity: Vertebrates and Invertebrates

Amphibians

Description

Amphibians

Amphibians are vertebrates that live both in water and on land during different parts of their lives. They begin life as eggs laid in water, hatch into larvae (like tadpoles), and then transform into adults through a process called metamorphosis. As adults, most amphibians develop lun...

Transcript

Amphibians are fascinating animals whose name means “double life.” Most begin life in water, breathing through gills like fish.

As they grow, their bodies transform through a process called metamorphosis. They develop lungs and limbs that allow them to live on land.

This group includes frogs, toads, salamanders, and caecilians. Whil...

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