Ch 5 Question Preview (ID: 40042)


Environmental Science. TEACHERS: click here for quick copy question ID numbers.

a change in a population descended from a small number of colonizing individuals
a) genes
b) fundamental niche
c) founder effect
d) genetically modified organisms

the remains of organisms that have been preserved in rock
a) fossils
b) founder effect
c) fundamental niche
d) evolution

an individual's ability to survive and reproduce
a) founder effect
b) energy efficiency
c) evolution
d) fitness

the measure of the variety of ecosystems within a region
a) fossils
b) evolution
c) ecosystem diversity
d) founder effect

a change in the genetic composition of a population over time
a) fitness
b) evolution
c) founder effect
d) ecosystem diversity

a reduction in the genetic diversity of a population caused by a reduction in its size
a) adaptations
b) allopatric speciation
c) artificial selection
d) bottleneck effect

when humans determine which individuals breed, typically with a preconceived set of traits in mind
a) adaptations
b) allopatric speciation
c) artificial selection
d) bottleneck effect

a process of speciation that requires geographic isolation
a) adaptations
b) allopatric speciation
c) artificial selection
d) bottleneck effect

traits that improve an individual's fitness
a) adaptations
b) allopatric speciation
c) artificial selection
d) bottleneck effect

the suite of ideal conditions
a) fundamental niche
b) genes
c) genetic diversity
d) genetically modified organisms

are physical locations on chromosomes within each cell of an organism; determines the range of possible traits that it can pass down to its offspring
a) genetic drift
b) genetic diversity
c) genetically modified organisms
d) genes

organisms that have had their genetic makeup modified by genetic engineering
a) genetically modified organisms
b) genetic diversity
c) genetic drift
d) genetic engineering

the measure of the variety of genes within a species
a) genetic engineering
b) genetic drift
c) genetic diversity
d) genotype

a change in the genetic composition of a population over time as a result of random mating
a) genetic drift
b) genetic engineering
c) genotype
d) geographic isolation

techniques in which scientists can now copy genes form a species with some desirable trait and insert these genes into other species
a) genotype
b) genetic engineering
c) geographic isolation
d) genetic diversity

the complete set of genes in an individual
a) genotype
b) geographic isolation
c) macroevolution
d) mass extinction

when a subset of individuals from a larger population may colonize a new area of habitat that is physically separated from that of the rest of the population
a) genetic engineering
b) genotype
c) geographic isolation
d) macroevolution

the process in which genetic changes give rise to a new species, genera, family, class, or phyla
a) mass extinction
b) macroevolution
c) microevolution
d) mutation

events in which large number of species when extinct over relatively short periods of time
a) natural selection
b) mutation
c) microevolution
d) mass extinction

the environment determines which individuals survive and reproduce
a) natural selection
b) phenotype
c) mutation
d) niche generalists

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