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

individuals produce an excess of offspring

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

a new food source outside its range of tolerance

Which statement is not correct?

speciation can't occur without geographic isolation

the branching pattern of evolutionary relationships

Which statement describes an example of artificial selection?

thoroughbred racehorses have been bred for speed

Which is the best definition of an adaptation?

A trait that improves an individual's fitness

the set of traits expressed in an individual

The Bt-cotton is an example of

evolution through genetic modification

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

the presence of high genetic variation

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APES CH 5: Evolution of Biodiversity (Friedland)

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Questions 27

Answers

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

APES CH 5: Evolution of Biodiversity (Friedland) Flashcards | StudBud