It explains the life cycle of amphibians, focusing on tadpoles that undergo metamorphosis to become frogs or toads, and the mating behaviors of various species. The film also covers the diverse ...

You could focus on the lifecycle of a butterfly, frog or human. Fold your card into quarters and cut into 4. In each quarter draw a stage of the lifecycle. Attach the first stage to the stick ...

What is the life cycle of an animal? Humans and other animals may look very different and behave very differently. But we all have one thing in common. All animals, including humans are born ...

This article was originally published with the title “ The Chemistry of Amphibian Metamorphosis ” in Scientific American Magazine Vol. 209 No. 5 (November 1963), p. 110 doi:10.1038 ...