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Chapter 17 (Multiple Selection Pressures (Loss of individuals #, Reducing…
Chapter 17
Multiple Selection Pressures
Loss of individuals
#
Reducing Reproduction
Speciation
Phyletic
Gradual Changes
Gene flow
Different Ways
Pollen Transfer
#
Vegetation Propagation
Seed dispersal
Divergent
Reproduction Isolation
Evolution
Several Species
Natural Selection
Slow Process
Mutations
New Alleles
Adaptations
Increases Population
Less chance of survival
Beneficial
Causes greater number of gametes
Accidents
cannot adapt
same frequency
gene pool altered
small events
White bunnies dont blend in
Large events
Volcano Eruption
Natural Selection
Gene pool changes
survival of fittest
Habitat
Size
Growth
Gender
Mutations
Color
Artificial Selection
Humans specifically change
selective breeding
Artificial selection
Desired phenotype
Discoveries
Genes
Chromosomes
Genetices
#
Different alleles
Cross over
