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Review Book: Evolution Flashcards | StudBud
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Review Book: Evolution
Review Book: Evolution
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Questions
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Answers
1
Which concept is represented in the diagram
survival of the fittest
extinction
dynamic equilibrium
succession
2
For these mammals, the number, position, and shape of the bones most likely indicates that they may have
developed from the same earlier species
developed in a common environment
identical methods of obtaining food
identical genetic makeup
3
Which process is correctly matched with its explanation?
4
2
3
1
4
Which statement is best supported by the theory of evolution?
Populations that have advantagous characteristics will increase in number
Few organisms survive when the environment remains the same.
The fossil record provides samples of every organism that ever lived
Genetic alterations occur every time cell reproduction occurs
5
Organisms having similar genetic traits that can be traced back to a shared ancestor.
Natural Selection
Survival of the fittest
Common Ancestry
Fossil Record
6
Which factor contributed most the the extinction of many species?
changes in migration patterns
changes in the environment
lethal mutations
inability to evolve into simple organisms
7
A biotechnology process that uses the movement of fragments of DNA to determine evolutionary or genetic relationships.
Vertebrate Anatomy
Biochemical simularities
Gel electrophoresis
Common Ancestry
8
Which type of evidence is best to support evolutionary relationships?
Structural Evidence
Molecular Evidence
9
Natural selection and its evolutionary consequences provide a scientific explanation for each of the following except
similar structures among different organisms
protein and DNA similarities between different organisms
the fossil record
a stable physical environment
10
Which species in the charge below is most likely to have the fastest rate of evolution?
C
B
D
A
11
A natural process where organisms that are best adapted to their environment survive and pass on those favorable traits
Fossil Record
Genetic Variation
Natural Selection
Available Resources
12
A trait that an organism exhibits during its lifetime will only affect the evolution of its species if the triat
decreases the number of genes in the body cells of the organism
causes a change in the environment surrounding the organisms
is due to a genetic code that is present in the gametes of the organism
results from isolation of the organism from the rest of the population
13
Exposure to cosmic rays, x rays, ultraviolet rays, and radiation from radioactive substances may promote
diversity among organisms
an increase in population size
the production of similar organisms
a change from sexual to asexual reproduction
14
Evidence found in sedimentary rock that shows the existence and changes that have occured within populationsof orgnaisms
Survival of the Fittest
Natural Selection
Fossil Record
Gel Electorphoresis
15
In which population will the greatest number of individuals survive if a significant environmental change happens
4
1
3
2
16
Which two processes result in variations that commonly influence the evolution of sexually reproducing species?
extinction and gene replacement
mutation and genetic recombination
environmental selection and selective breeding
mitosis and natural selection
17
A species that lacks the variation necessary to adapt to a changeing environment is more likely to
develop many mutated cells
begin to reproduce sexually
become extinct over time
develop resistance to disease
18
The first life-forms to appear on Earth were most likely
complex single-celled organisms
complex multicellular organisms
simple single-celled organisms
simple multicellular organisms
19
What will most likely occur as a result of changes in the frequency of a gene in a particular population?
global warming
resource depletion
ecological succession
biological evolution
20
Which two species are the most closely related?
J and L
F and H
G and L
F and G
21
Which statement best describes a current understanding of natural selection?
Natural selection influences the frequency of an adaptation in a population
Members of the extinct species were too slow to escape from predators
Natural Selection has been discarded as an important concept in evolution
22
Which statement is a valid conclusion that can be drawn from the diagram?
Sponges were the last new species to appear on Earth
Snails appeared on Earth before corals
Insects are more complex than mammals
Earthworms and sea stars have a common ancestor
23
This occurs when individuals or populations go after the same food, space or mates.
Extinct
Evolution
Competition
Radiation
24
Which species was best adapted to changes that occured in its environment over the longest period of time?
J
A
C
B
25
Which statement is most closely related to the modern theory of evolution?
Evolution is the result of mutations and recombination, only
Traits that are acquired during life are passed on by sexual reproduction
Asexual reproduction increases the survival of species
Organisms best adapted toa changed environment aremore likely to reproduce
