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Evalution Vocb, Evalution Vocb Pt. 2, download (25) Index Fossil: Dstinct…
Evalution Vocb
Plant tectonics: To m
ove around earth's surfaces and change shape
Geol
ogic time scale: Divides Earth'sm4.6 billon years history into manageable parts.
Convective currents: Moves the earth tectonic plates.
Uniformitarnism: Is earthquakes.
Catastrophism: Is Major volcanic eruptions and asteroids.
Fossil evidence of continetal drift: Mesosaurs fossils foundd in South America and Africa that the continents were once joned.
Extinction: The death of every member of a species.
Superposition:Principle that states that younger rocks lie above the older rocks.
An Effect of Continental Drift: The Parama land Bridge formed 3 million years ago joining North and South America.
Relative Dating: process of comparing one rock layer with other sequene.
Evalution Vocb Pt. 2
Species: Organisms that share the same characterists and adaptationsm.
Evolution: The process by which populations slowly change over time.
Embryo Evidence: Most e
mbroyes look simlar in their early stages.
Fossil: The solidified remains or imprint of once living organisms.
Fossil record: Historyical sequence of life
Comparing Organisms: Scientists compare organisms anatomy and DNA to support the theory that species share common ancestors.
Homolgous Stuctures: Same Stuctures, same parts, same anestors, different functions
Analogous Sturctures: Different Sturctures, same functions, different anestors.
Index Fossil: Dstinct abundant and widespread.