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Evolution Terms
Biology terms from class
16
Biology
9th Grade
10/17/2012

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Term

Adaptation (type one)

Definition
A change by which an organism or species becomes better suited to its environment : living in groups is an adaptation that increases the efficiency of hunting.
Term

Adaptation (type two)

Definition
the process of making such changes : biochemical adaptation in parasites.
Term
Variation
Definition

Differencers within the same population, that comes from mutation and sexual selection

 

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Term
Overpruduction of offspring
Definition
Produce alot more babies than needed because some will probably die.
Term
Mutation
Definition
Random change in the generic code
Term
Natural selection
Definition
the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
Term
Sexual selection
Definition
natural selection arising through preference by one sex for certain characteristics in individuals of the other sex
Term
Red Queen hypothisis
Definition
We have to keep constantly evolving, if you stop you could go extinced
Term
Industrial me
Definition
Term
Microeolution
Definition
Changes in the DNA
Term
Macroeolution
Definition
Changes in the bone structure
Term
Gene flow
Definition
When the genes from one population go to another population of the same species
Term
Genetic drift
Definition
random changes in the frequency of alleles in a gene pool, usually of small populations.
Term
Immigration
Definition

When one animanl or more leavs the populatin to join another of the same species

 

Term
Emigration
Definition

When one  or more animanls joins the populatin that ar of the same species

 

Term
Antibiotic Resistance
Definition
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