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Biology: Evolution Flashcards | StudBud
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Biology: Evolution
Biology: Evolution
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Evolution
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
According to the data table, the UNKNOWN species is most closely related to which species?
Species II
Species IV
Species I
Species III
2
Natural selection is the process by which ______.
random mutations arise as new organisms develop
soccer players pass on the trait for strong leg muscles to children
organisms with beneficial traits are more likely to survive and reproduce
change occurs in the genetic makeup of individuals that live together
3
Which of these is
necessary
for natural selection to occur?
asexual reproduction
genetic engineering
environmental stability
genetic variation
4
Forelimbs are similar in many animals. This is an example of
Darwinian structures
vestigial structures
homologous structures
analogous structures
5
A farmer sprays his crops with pesticides but his insect pests continue to increase in number year after year, why?
the insect pests became cannibals
the insect pests decreased their reproduction numbers
the insect pests had a genetic resistance to the pesticide
the insect pests decreased their cellular respiration rates
6
Which is
NOT
a line of evidence for evolution?
DNA
Fossils
Embryology
Intelligence
7
The wings below are examples of what types of structures?
analogous
vestigial
embryonic
homologous
8
Monkeys and gorillas have
similar blood proteins.
This evidence suggests that these species may have:
descended from different ancestors
descended from a common ancestor
evolved in the same habitat
evolved at different rates
9
In 1977, which finch would have the greatest chance of survival?
a finch with a beak depth of 9.2 mm
a finch with a beak depth of 9.4 mm
a finch with a beak depth of 9.6 mm
a finch with a beak depth of 9.9 mm
10
2 snail types colonized a light-colored grass field. After 10 yrs, most snail shells were yellow, what process is this?
selective breeding
genetic engineering
environmental stability
natural selection
11
Which layer of soil would contain the oldest fossils?
Middle layer X
Bottom layer Z
Top layer V
All the layers are the same
12
The change in the genetic makeup of a population over time is called
evolution
competition
biology
natural selection
13
Darwin observed variation in finch beaks at the Galapagos Islands. Why were the beaks different?
human interventions
different body colorations
parasite infection
distinct food sources
14
Camouflage by a flounder is an example of a(n)
adaptation
analogous structure
genome
vestigial structure
15
Wisdom teeth do not appear to have a function in humans. This is an example of a
homologous structure
Darwinian structure
analogous structure
vestigial structure
16
What evidence for a past evolutionary relationship can be seen in different groups of vertebrates?
similar features in early stages of embryos
totally different protein sequences
different features in early stages of embryos
no homologous structures
17
The preserved remains or traces of the remains of ancient organisms are called
sculptures
geology
fossils
paintings
18
Favorable traits that help an organism survive and reproduce are called
adaptations
transformations
alterations
deformations
19
What is the
selective agent
in natural selection?
humans
mutations
breeders
environment
20
Dogs evolved from what wild ancestor?
wolves
foxes
coyotes
hyenas
21
During the Industrial Revolution, peppered moths became
darker
lighter
22
Which is
NOT
a main point in the theory of evolution by natural selection?
Traits that help organisms survive become more common in the population.
Variations are passed from parents to offspring.
There is no differential reproduction or survival.
There is a variation among individuals within the population.
23
Which is not a direct observation of evolution in nature?
insect resistance to pesticides
Galapagos Finches' beak size
population growth
antibiotic resistance by bacteria
24
What is the name of the islands off the Western coast of Ecuador studied by Darwin?
Phillipines
Galapagos
Caribbean
Aleutian
25
Spiders may produce hundreds of eggs, only a few of which may survive. What natural selection principle is this?
mutation
genetic variation
adaptation
overproduction
