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Standard 8.E.6B

8.E.6B Adaptation by natural selection acting over generations is one important process by which species change in response to changes in environmental conditions. The resources of biological communities can be used within sustainable limits, but if th...

Grade(s): 8

Subject(s): Science

Year: 2014

Estuary | RiverVenture
Estuary | RiverVenture

Interactive

RiverVenture needs your help! Riverventure Headquarters has heard reports of problems in the estuary. A sign warns people not to collect or eat shellfish such as oysters and clams. People are testing...
Dinosaur Families | Project Discovery Revisited
Dinosaur Families | Project Discovery Revisited

Video

Paleontologist Jack Horner, whose work has primarily been done in Montana, describes the lifestyle of the long-extinct dinosaurs. In 1978, Dr. Horner was looking for baby dinosaurs, which, until that...