Science quiz on April 13, 2016
Biodiversity
the variety of life in the world or in a particular habitat or ecosystem.
evolution
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
paleontologist
a scientist who studies fossils
extinct
a species, family, or other larger group having no living members.
fossil
the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
Scientific evidence suggests that the Earth is…
4.6 Billion Years Old
Evidence for past events in Earth’s ancient history are provided by
rocks and the fossils within them
The Law of Superposition allows us to determine
any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
Radiometric dating allows us to determine
materials such as rocks or carbon,
The divisions of time in the Geologic Time Scale represent
The history of the earth is broken up into a hierarchical set of divisions for describing geologic time