Though we cant be certain, scientists have suggested that the earth was very hot due to volcanoes and meteorites hitting the earth Sometime around 4.4.
Essential Knowledge 1.b.2 – Phylogenetic trees and cladograms are graphical representations (models) of evolutionary history that can be tested (26.1-26.3).
WHAT’S IN THE ROCKS!. Bell Ringer 9-22-14 If you were to put the following events in to a time sequence of first to last, how would you do it? What else.
Theories of Evolution Evolution – slow, gradual change over time. Geologic evolution – changes in the non-living planet over time. Biological evolution.
Lecture #3 Evidence of Evolution Unit 6: Evolution.
Tracing Phylogeny. Phylogeny u Phylon = tribe, geny = genesis or origin u The evolutionary history of a species or a group of related species.
The History of Life on Earth Chapter 25. Question How have events in the Earth’s history contributed to life as we know it?
Fossils: A Glimpse into Earth’s History .
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