Heredity and Adaptation INV 1 Vocab Flashcard

Front

Type of fossil made from parts of an organism (bones, teeth):

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Body

Front

Remains or traces of life preserved in Earth's crust are called a

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fossil

Front

Period from Earth's formation to now:

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Geological time

Front

Sedimentary rocks below are older than those above.

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Principle of Superposition

Front

Trace Fossils are rocks that

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Have imprints or animal tracks in them.

Front

Studies Earth, its materials, and history

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Geologist

Front

Type of rock formed from layers of sediment sticking together?

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Sedimentary rock

Front

Lose small particles at a constant rate, changing into a different isotope.

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Radioactive Isotopes