Natural Selection - ️️process whereby individuals in a
population with certain characteristics
are more successful at contributing
offspring to the next generation than
individuals without those characteristics
Theory of Evolution - ️️- Existing species descended
from ancestral specie...
Montgomery College Biol 151 1st
Lecture Exam (vocab)
Natural Selection - ✔️✔️process whereby individuals in a
population with certain characteristics
are more successful at contributing
offspring to the next generation than
individuals without those characteristics
Theory of Evolution - ✔️✔️- Existing species descended
from ancestral species via
"descent with modification".
- Natural selection is the
mechanism by which "descent
with modification" occurs.
evolution - ✔️✔️change in the characteristics of a
population of organisms over time
population - ✔️✔️geographically localized group of
individuals belonging to the same species
-individual organisms cannot evolve.. they can develop
eg. baby develops into an adult.
time - ✔️✔️multiple generations
characteristics - ✔️✔️those with a genetic basis
(b/c only genes can be passed down to generations)
2 Conditions for Evolution
by Natural Selection - ✔️✔️1. trait must show heritable variation
2. trait must confer(give/provide) differential reproductive success
(dependent on the environment)
fitness - ✔️✔️the genetic contribution
an individual makes to the next
generation relative to the
contributions of other individuals
adaptation - ✔️✔️an inherited
characteristic that enhances an
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