What life cycle stages does a tadpole go through to become a frog? How do animals such as lambs, puppies, baby mice, blackbird chicks and caterpillars change and grow? Using examples of familiar animals, readers will investigate animal life cycles. How are the life cycles of different species the same and different? How do parent animals care for their young? And what are the life cycle stages that humans go through? Look for the download button throughout the book. It shows there are free downloadable worksheets and other resources available for that topic.