Evolutionary Theories and Processes  Created by nwscience Plus
13 terms   the process through which a species disappears from
Earth  mass extinction  this occurs when large numbers of
species die out in a fairly short period of time.   a process of
change over time  natural selection  theory by Charles Darwin
that explains how populations evolve into new species   a trait
that improves an organism's chance for survival and reproduction
continental drift  idea suggested by Alfred Wegener that states
that a giant landmass known as Pangaea gradually split apart and
the continents moved to their present location.  theory of plate
tectonics  states that the Earth's lithosphere (land), is broken
into large sections called tectonic plates that move and change
position over time.   this word means land  tectonic plates
land that is broken into large sections   a dense molten layer
of Earth that tectonic plates float on  convergent boundary
when tectonic push together causing the land to rise  divergent
boundary