Unit 2 Review
Quiz by Russ Drylie
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- Q1
Species richness is
The relative proportion of individuals within the different species in a given area
The branching pattern of evolutionary relationships
A change in the genetic composition of a population over time
The number of species in a given area
30s - Q2
Phylogeny is
Evolution below the species level
The branching pattern of evolutionary relationships
A change in genetic composition of population over time
Evolution that gives rise to new species, genera, families, classes or phyl
30s - Q3
Evolution is
Evolution that gives rise to new species, genera, families, classes or phyla
Evolution below the species level
a change in the genetic composition of a population over time
30s - Q4
Species Evenness is
A change in the genetic composition of a population over time
The number of species in a given area
The relative proportion of individuals within the different species in a given area
The branching pattern of evolutionary relationships
30s - Q5
Microevolution is
The complete set of genes in an individual
evolution that gives rise to new species, genera, families, classes or phyla
evolution below the species level
a physical location on the chromosomes within each cell of an organism
30s - Q6
Macroevolution is
The complete set of genes in an individual
evolution that gives rise to new species, genera, families, classes or phyla
a physical location on the chromosomes within each cell of an organism
a set of traits expressed by an individual
30s - Q7
A phenotype is
a set of traits expressed by an individual
An individuals ability to survive and reproduce
the genetic process by which one chromosome breaks off and attaches to another chromosome during reproductive cell division
a random change in the genetic code
30s - Q8
Recombination is
the process by which humans determine which individuals breed
the genetic process by which one chromosome breaks off and attaches to another chromosome during reproductive cell division
the process in which the environment determines which individuals survive and reproduce
An individuals ability to survive and reproduce
30s - Q9
Artificial selection is
a trait that improves an individual's fitness
the process by which humans determine which individuals breed
an individuals ability to survive and reproduce
the process in which the environment determines which individuals survive and reproduce
30s - Q10
Natural selection is
a trait that improves an individual's fitness
the process by which individuals move from one population to another and alter the genetic composition of both populations
the process in which the environment determines which individuals survive and reproduce
an individuals ability to survive and reproduce
30s - Q11
A gene is
An individuals ability to survive and reproduce
a physical location on the chromosomes within each cell of an organism
a set of traits expressed by an individual
The complete set of genes in an individual
30s - Q12
Fitness is
a change in genetic composition over time due to random mating
the process by which individuals move from one population to another and alter the genetic composition of both populations
an individuals ability to survive and reproduce
a trait that improves an individual's fitness
30s - Q13
A mass extinction is
the suite of abiotic conditions under which a species can survive, grow and reproduce
the death of the last member of a species
a species that can live under a wide range of abiotic and biotic conditions
a large extinction of species in a relatively short period of time
30s - Q14
Gene flow is
the process by which individuals move from one population to another and alter the genetic composition of both populations
a reduction in the genetic diversity of a population caused by a reduction in its size
a change in genetic composition over time due to random mating
the death of the last number of a species
30s - Q15
Genetic drift is
a reduction in the genetic diversity of a population caused by a reduction in its size
a change in genetic composition of a population as a result of descending from a small number of colonizing individuals
a change in genetic composition over time due to random mating
the death of the last number of a species
30s