NATURAL SELECTION. EVOLUTION. Process of natural selection over time; genetic change (variety and diversity) combined with constantly changing environments. the mechanism of evolution organisms that are better suited to survive in a given environment are more likely to survive & reproduce
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Process of natural selection over time; genetic change (variety and diversity) combined with constantly changing environments
the mechanism of evolution
A feature produced or preserved by natural selection
Can be structural or behavioral
things the organism does to survive;
More diversity = increased chance that at least some individuals will adapt to survive future environmental change
How are organisms “favored?”
The organisms that are well-suited have advantageous traits (adaptations)
The organisms that are not well-suited are not as well adapted, and may die before they can pass their traits on to the next generation
As an environment changes, the selection for the adaptive traits is realigned with the change
Over time, populations evolve to have traits that are adapted to their environments.
NATURAL SELECTION CLASSIC EXAMPLE:Industrial Revolution & the Peppered Moth