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WorksheetsModule 14 Exam
Total questions: 19
Worksheet time: 10mins
What was the first conclusion Darwin made soon after returning from the Galápagos Islands?
Wild finch diversity explained the breeding of domesticated animals.
New species of finches could emerge through small ancestral changes
natural selection was the evolutionary mechanism of species change
variety among Galapagos birds resulted from evolutionary changes
Which bird trait is an example of a derived trait?
claw
feather
tail
wing
Which explains why cytochrome c provides a broad-ranged comparison of evolutionary relationships?
The molecule experienced little change over long periods of history.
ATP molecules steadily change cytochrome c structure over time.
Amino acids prevent significant molecule change in the enzyme.
The compound evolves during times of accelerated evolution.
If a hypothetical colony of 100 humans isolated themselves on an island, their genetic makeup after several generations would be determined by ____.
founder effect
a bottleneck
genetic drift
natural selection
The evolution of a second jaw in the cichlid fish is called ___.
adaptive radiation
allopatric speciation
gradualism
coevolution
Darwin would have called the breeding of larger tomato plants by farmers ___.
convergent evolution
artificial selection
divergent evolution
natural selection
The speciation of five modern tiger species from on ancestral species is called ___.
adaptive radiation
allopatric speciation
evolution
sympatric speciation
Studying the structures of organisms during the early stages of development is called ___.
neonatal
obstetrics
embryology
pediatrics
The DNA similarities within a population of wild animals that appears as though they have been inbred is called a(n) ___.
bottleneck
natural selection
founder effect
genetic drift
The theory of punctuated equilibrium seeks to replace the speciation model known as ___.
allopatric speciation
gradualism
catastrophism
uniformitarianism
Identify the type of natural selection illustrated by the graph.
stabilizing
directional
disruptive
artificial
Identify the type of a natural selection illustrated by the graph.
stabilizing
directional
disruptive
artificial
When a population's gene pol maintains allele frequencies at consistent rates unless affected by a factor that causes it to change, that population is adhering to ___.
evolutionary principle
Darwinian evolution
LeMarkian evolution
Hardy-Weinberg principle
For speciation to occur a population must become reproductively isolated. ___ is the type of reproductive isolation that occurs when a mountain range prevents two populations (of the same species) from gene flow.
behavioral isolation
ecological isolation
geographic isolation
temporal isolation
When two populations of fireflies no longer breed with each other due to differences in the flash sequences of the male fireflies, that would be an example of ___.
behavioral isolation
ecological isolation
geographic isolation
temporal isolation
The eastern and western spotted skunks became separate species because their breeding seasons were nearly opposite times of year. This is an example of ___.
behavioral isolation
ecological isolation
geographic isolation
temporal isolation
Species that occur in the same region, but occupy different habitats so that they rarely interact with each other is an example of ___.
behavioral isolation
ecological isolation
geographic isolation
temporal isolation
When non-viable and/or sterile offspring are produced by hybridization, this is an example of ____.
pre-zygotic isolation
post-zygotic isolation
geographic isolation
temporal isolation
A population is said to be in ____ when the allelic frequency does not change over generations, which also indicates that the population is not evolving.
pre-zygotic isolation
genetic isolation
allopatric isolation
genetic equilibrium
