Explain the differences among threatened, endangered and extinct species.
Threatened, Endangered and Extinct Species
Explain natural or human actions in relation to the loss of species.
No resources have been tagged as aligned with this standard.
Explain how fossils provide evidence about plants and animals that once lived throughout Pennsylvania’s history (e.g., fossils provide evidence of different environments).
Explain that adaptations are developed over long periods of time and are passed from one generation to another.