The Bt-cotton is an example of

evolution through genetic modification

Which of the following will not affect the distribution of a species?

a new food source outside its range of tolerance

The perch can lay 40,000 eggs. What key idea of natural selection is this?

individuals produce an excess of offspring

Which is the best definition of an adaptation?

A trait that improves an individual's fitness

the set of traits expressed in an individual

Global climate change can cause the extinction of species due to all the following except?

the presence of high genetic variation

Which statement describes an example of artificial selection?

thoroughbred racehorses have been bred for speed

Which statement is not correct?

speciation can't occur without geographic isolation

the branching pattern of evolutionary relationships

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APES CH 5 Friedland

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Questions 27

Answers

1
The Bt-cotton is an example of
evolution through geographic isolation
evolution through genetic modification
evolution through polyploidy
evolution through natural selection
2
Which of the following will not affect the distribution of a species?
a localized disease
a new food source outside its range of tolerance
a change in the distribution of the species' food
climate change
3
Darwin's finches are an example of which evolutionary process?
macroevolution
microevolution
founder effect
genetic drift
4
Which of the following processes create genetic diversity in a population?
A and C
allele division
mutation
recombination
5
The perch can lay 40,000 eggs. What key idea of natural selection is this?
individuals produce an excess of offspring
individuals vary in their phenotypes
phenotype differences in individuals can be inherited
humans select for predetermined traits
6
Which of the following is often a cause of sympatric speciation?
macroevolution
geographic separation
artificial selection
polyploidy
7
How many species are estimated to exist on Earth?
10 million
30 million
2 million
8 million
8
Which is not a significant cause of the current mass extinction event?
habitat destruction
climate change
overharvesting
extreme weather events
9
Which is the best definition of an adaptation?
A trait that is passed on to the next generation
A trait created by natural selection
A mutation that creates a new species
A trait that improves an individual's fitness
10
A phenotype
the set of traits expressed in an individual
a result of genetic recombination
An adaptation that creates a new species
the genes of a particular individual
11
The change in the genetic composition of a population over time due to random mating is called
The bottleneck effect
mutation
gene flow
genetic drift
12
Which allows more rapid evolution?
long generation times
low genetic variation
large population size
high genetic variation
13
Which of the following contribute to allopatric speciation?
genetic convergence over time
geographic isolation
B and C
reproductive isolation
14
How many mass extinction events have there been in Earth's history?
5
4
7
2
15
Which of the following would cause the most rapid evolution?
geographic isolation
Environmental change
artificial selection
recombination
16
When a pop. is lowered then rebuilds from the survivors what process is happening?
evolution by founder effect
evolution by bottleneck effect
evolution by natural selection
evolution by artificial selection
17
When a pop of monkeys migrates across a river and mixes with another pop what is evo. effect?
bottle neck effect
genetic drift
gene flow
founder effect
18
Global climate change can cause the extinction of species due to all the following except?
the presence of high genetic variation
the rapid rate of environment change
the absence of a favorable environment nearby
the presence of another species occupying a similar niche
19
Which is not a measure of biodiversity?
economic diversity
species diversity
genetic diversity
ecosystem diversity
20
The abiotic conditions under which a species can survive and reproduce is called its
fundamental niche
environmental distribution
realized niche
range of tolerance
21
Which statement describes an example of artificial selection?
whales have evolved tails that help propel them in water
Darwin's finches have beaks adapted to eating different food
cichlids have diversified into nearly 200 species in Lake Ta
thoroughbred racehorses have been bred for speed
22
Which of the following is used to calculate Shannon's index of diversity
the proportion of individuals in each species
the total number of species
the number of individuals in each species
Both A and B
23
Which statement is not correct?
geographic isolation can lead to reproductive isolation
speciation can't occur without geographic isolation
Speciation can be caused by either natural or random process
polyploidy is an example of sympatric speciation
24
Evolved resistance to a pesticide is an example of
artificial selection
a nonadaptive process
natural selection
the bottleneck effect
25
Which evolutionary effect results in reduced genetic variation in a community
gene flow
the founder effect
natural selection
Artificial selection
26
Phylogeny is
the number of evolutionarily related species in an ecosystem
the study of morphological traits
the process of evolution that creates new species
the branching pattern of evolutionary relationships
27
Which would be expected for a niche specialist?
a narrow fundamental niche
many food sources
adaptability to changing conditions
A large distribution

APES CH 5 Friedland Flashcards | StudBud