The Wonder of Science
The Wonder of Science: 1 Ls3 1:plant and Animal Structures Parents and Offspring
This NSTA vetted source includes resources to teach that young plants and animals are alike, but not exactly like, their parents. Included are assessment ideas, videos, examples, lesson plans, and photos of student work.
CK-12 Foundation
Ck 12: Biology: Reproductive Behavior of Animals
[Free Registration/Login may be required to access all resource tools.] An overview of the reproductive behaviors of animals.