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WorksheetsMicroevolution Ch 16 ACE Bio
Total questions: 44
Worksheet time: 56mins
Name
Class
Date
1.
What is the principle that defines evolution in terms of allele frequency
a)
Natural Selection
b)
Convergent Evolutions
c)
Directional Selection
d)
Hardy -Weinberg
2.
Which condition is not part of Hardy -Weinberg principle
a)
random mating
b)
no genetic drift
c)
no gene flow
d)
mutations
3.
In the Hardy Weinberg equation, q2
a)
heterozygous
b)
homozygous dominant
c)
homozygous recessive
4.
Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?
a)
individual
b)
population
c)
species
d)
fossil
5.
Which of the following is a fossil?
a)
a plant that has recently died
b)
a group of organisms that can reproduce
c)
a structure or organ that no longer functions
d)
a trace of an organisms that existed in the past
6.
In natural selection, the selective agent is the
a)
humans
b)
mutations
c)
breeders
d)
environment
7.
a bird that can easily outcompete other birds for food and that can produce many eggs has a high
a)
sexuality
b)
mutation rate
c)
fitness
d)
adaptability
8.
which of the following is an example of a vestigial structure?
a)
the wings of a red-tailed hawk
b)
the hind limbs of a house cat
c)
the fins of sharks
d)
the wings of an ostrich
9.
Which of the following describes natural selection
a)
it acts on genetic material directly
b)
it acts on existing physical traits
c)
it forms new traits
d)
it forms new genetic material
10.
What is suggested by the similarity of early embryos of different species of vertebrates?
a)
no evolutionary relationships between the groups
b)
recent common ancestry
c)
similar environments in the past
d)
evolution from a distant common ancestor
11.
If an organism has a vestigial structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
12.
Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as
a)
vestigial structures
b)
analogous structures
c)
homologous structures
d)
fossil structures
13.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
14.
Protein sequences in one organism that resemble those of another suggest a
a)
coincidence
b)
lack of evolutionary relationship
c)
great number of mutations
d)
shared ancestry
15.
A measure of how commonly a particular allele occurs in a population is known as the
a)
gene pool
b)
allele frequency
c)
mutation rate
d)
phenotype
16.
Genetic variation can arise from a random change in the DNA of a gene. The change is called a(n)
a)
mutation
b)
gene flow
c)
gene pool
d)
allele
17.
What increases genetic variation when animals move from one population to another
a)
genetic drift
b)
sexual selection
c)
bottleneck effect
d)
gene flow
18.
The five-factors of speciation are gene flow, genetic drift, mutation, natural selection and ....
a)
sexual selection
b)
controlled mating
c)
emigration
d)
immigration
19.
Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
20.
What is speciation?
a)
combining of tow species to form one with different traits
b)
isolation that affects mating behaviors
c)
timing of mating that prevents normal sexual selection
d)
divergence of two or more species from an existing one
21.
The hind leg bones in a whale are examples of
a)
homologous structures
b)
analogous structures
c)
fossils
d)
vestigal structures
22.
What is the process in which humans breed organisms for certain traits?
a)
natural selection
b)
inheritance
c)
artificial selection
d)
descent without modification
23.
Combined alleles of all individuals in a population is called
a)
phenothype
b)
gene pool
c)
mutation rate
d)
allele frequency
24.
The disappearance of a species.
a)
Evolution
b)
Extinction
c)
Migration
d)
Mutation
25.
Group of organisms capable of interbreeding and producing fertile offspring.
a)
species
b)
gene pool
c)
population
d)
homologous structure
26.
Structures that no longer serve a purpose.
a)
Homologous structures
b)
gene pool
c)
population
d)
Vestigial structures
27.
Structures that have common evolutionary origins, provide evidence for common ancestor.
a)
Species
b)
Vestigial Structures
c)
Population
d)
Homologous Structures
28.
Group of organisms all of the same species, living in the same place at the same time.
a)
gene pool
b)
population
c)
species
d)
evolution
29.
All of the genetic information found in a population.
a)
population
b)
genetic drift
c)
evolution
d)
gene pool
30.
Scientist who proposed the theory of Natural Selection.
a)
Hardy
b)
Weinburg
c)
Darwin
d)
Einstein
31.
A chance occurrence that negatively affects a population because the population is small.
a)
genetic drift
b)
mutation
c)
speciation
d)
migration
32.
How would you describe this evolution?
a)
Homologous structure
b)
Analogous structure
c)
Structural adaption
d)
Functional adaption
33.
Structures that have the same evolutionary origin even though they may now have different structures or functions are said to be
a)
endemic
b)
homologous
c)
analogous
d)
genetic
34.
A horse and a donkey can successfully mate to produce offspring known as a mule. Mules are sterile . Would mules be classified as a species?
a)
Yes, mules have enough of their own traits to be considered a species.
b)
Yes, the fact that have different number of chromosomes makes them a different species
c)
No, mules are too similar to the parent species
d)
No, due to their inability to reproduce successfully.
35.
If I wanted to look at DNA to study evolution, I am using what evidence?
a)
comparative anatomy
b)
embryology
c)
fossil record
d)
molecular
36.
Any difference between organisms of the same species
a)
Homologous Structure
b)
Radioactive Dating
c)
Mutation
d)
Variation
37.
Any difference between organisms of the same species
a)
Homologous Structure
b)
Radioactive Dating
c)
Mutation
d)
Variation
38.
The preserved remains of traces of an organisms that lived in the past
a)
Adaptation
b)
Fossil
c)
Mutation
d)
Evolution
39.
The intentional mating of two animals in an attempt to produce offspring with desirable characteristics
a)
Selective Breeding
b)
Mutation
c)
Natural Selection
d)
Variation
40.
Why would a population with a large amount of genetic variation be more likely to survive a severe climate change in its environment?
a)
Individuals will only create offspring well-suited to the climate change
b)
The individuals would produce more offspring
c)
Individuals better suited to the new climate will help less-suited individuals survive
d)
Some individuals will posses traits better suited to the new climate and be more likely to pass them on
41.
What is it called when humans breed organisms together based on traits we like.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
42.
Study of embryos of various organisms
a)
natural selection
b)
embryology
c)
speciation
d)
evolution
43.
Structures with the same parts have different functions; suggests that organisms share a common ancestry
a)
vestigial structures
b)
homologous structures
c)
adaptive radiation
d)
fossil
44.
What type of genetic drift occurs when the population size is greatly decreased?
a)
Founder's Effect
b)
Bottleneck Effect
c)
Intrasexual Selection
d)
Intersexual Selection
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