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Biology quiz(unit 4)

TermDefinition
Stabilizing Selection When extreme prototypes are selected against in favor of the average
Directional selection Involves the selection of extreme forms of a particular trait
Disruptive selection When both extreme prototypes are selected
Sexual selection A special case that involves females selecting males based on traits that have during courtship and mating
Selective breeding The breeding of species by humans to increase desirable traits
Microevolution Evolution that occurs within a species due to genetic variation, a struggle to survive and natural selection within that species
Macroevolution Evolution that occurs between different species; focuses on how diverse groups of organisms change
Overproduction More offspring are born than can possibly survive to reproduce themselves
Competition In our world there is a finite (limited source) of resources
Survival of the fittest The individuals who survive are those who are most adapted to exist in there environment
Fitness The ability for an individual to survive and reproduce in its specific environment
Charles Darwin An English scientist who proposed a theory to explain how organisms change over time
The age of earth is: about 4.5 billion years
Lamarck's theory on characteristics that it acquired during its lifetime to its offspring An organism can pass on characteristics that it acquired during its lifetime to its offspring
Created by: user-2062042
 

 



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