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Ch 5
Test Description: Environmental science
Instructions: Answer all questions to get your test result.
1) traits that improve an individual's fitness
A
adaptations
B
bottleneck effect
C
artificial selection
D
allopatric speciation
2) a process of speciation that requires geographic isolation
A
bottleneck effect
B
adaptations
C
artificial selection
D
allopatric speciation
3) when humans determine which individuals breed, typically with a preconceived set of traits in mind
A
artificial selection
B
bottleneck effect
C
allopatric speciation
D
adaptations
4) a reduction in the genetic diversity of a population caused by a reduction in its size
A
allopatric speciation
B
adaptations
C
bottleneck effect
D
artificial selection
5) the measure of the variety of ecosystems within a region
A
ecosystem diversity
B
fossils
C
founder effect
D
evolution
6) a change in the genetic composition of a population over time
A
ecosystem diversity
B
founder effect
C
evolution
D
fitness
7) an individual's ability to survive and reproduce
A
energy efficiency
B
evolution
C
founder effect
D
fitness
8) the remains of organisms that have been preserved in rock
A
fundamental niche
B
fossils
C
founder effect
D
evolution
9) a change in a population descended from a small number of colonizing individuals
A
founder effect
B
genes
C
genetically modified organisms
D
fundamental niche
10) the suite of ideal conditions
A
fundamental niche
B
genetically modified organisms
C
genetic diversity
D
genes
11) 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
genetically modified organisms
C
genes
D
genetic diversity
12) organisms that have had their genetic makeup modified by genetic engineering
A
genetically modified organisms
B
genetic diversity
C
genetic engineering
D
genetic drift
13) the measure of the variety of genes within a species
A
genotype
B
genetic drift
C
genetic engineering
D
genetic diversity
14) a change in the genetic composition of a population over time as a result of random mating
A
genetic drift
B
genetic engineering
C
geographic isolation
D
genotype
15) techniques in which scientists can now copy genes form a species with some desirable trait and insert these genes into other species
A
genetic engineering
B
genotype
C
geographic isolation
D
genetic diversity
16) the complete set of genes in an individual
A
mass extinction
B
genotype
C
macroevolution
D
geographic isolation
17) 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
genotype
B
macroevolution
C
geographic isolation
D
genetic engineering
18) the process in which genetic changes give rise to a new species, genera, family, class, or phyla
A
mutation
B
mass extinction
C
microevolution
D
macroevolution
19) events in which large number of species when extinct over relatively short periods of time
A
natural selection
B
mass extinction
C
mutation
D
microevolution
20) the environment determines which individuals survive and reproduce
A
mutation
B
natural selection
C
phenotype
D
niche generalists
*select an answer for all questions
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