Evolution Question Preview (ID: 45370)
Basics Of Evolution.
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This evidence comes from Earth's crust. It is the timeline of past life, organized by estimated ages and classified by similarities in form. What is it?
a) fossils
b) fossil records
c) evolution
d) natural selection
Over a period of years, the average rainfall in an area decreases, causing environmental changes. Most likely to survive these environmental changes is a population
a) with a great amount of genetic variation
b) with very little genetic variation
c) that has been altered thought artificial selection
d) with the smallest population size
A(n) ______________ is any variation that makes an organism better suited to its environment.
a) adaptation
b) evolution
c) gene
d) trait
According to Darwin's theory of evolution, how do new species evolve?
a) artificial selection
b) random chance
c) natural selection
d) selective breeding
Natural selection is sometimes called
a) Survival of the strongest
b) Survival of the fittest
c) Survival of the smartest
d) Most Adaptable
Which scenario is an example of natural selection?
a) Farmers crossbreed two types of cows to produce a breed of cow that has high quality beef and can tolerate a hot climate.
b) Giraffes that have longer necks survive a dry season by eating leaves from the tops of trees.
c) Dogs that have a desirable coat color are bred with one another to produce puppies with the same coat color.
d)
Most evidence of evolution comes from
a) bones
b) fossils
c) rocks
d) water
Which situation could lead to the extinction of a species?
a) increased competition
b) increased food supply
c) increased habitat
d) increased population size
In the theory of natural selection, species are most likely to survive if they
a) inherit acquired traits
b) have variations that make them better able to adapt
c) overproduce
d) are isolated
Individuals within a population have slightly different traits, or variations. How do variations improve the likelihood that a population will survive?
a) Variation enables individuals to produce offspring that will survive into adulthood
b) Variation enables populations to create new genes, which help individuals survive a significant change in their environment
c) Variation provides the needed differences which natural selection acts in a population
d) Variation enables individuals who are very different from the rest of the population to reproduce more successfully
What is most likely to happen to a species that is not suited to its environment?
a) It will survive and produce many offspring
b) It will get bored and leave
c) It will not survive to reproduce
d) It will change all its previous behaviors
Which factor is not likely to cause a species to become extinct?
a) loss of habitat
b) new disease
c) new predator
d) new food source
If species A reproduces at a faster rate than species B, which species is expected to evolve at a faster rate?
a) Species A
b) Species B
c) They will evolve at the same rate
d)
Why did white peppered moths change to black peppered moths in the cities?
a) The sun tanned the moths and made them dark.
b) The moths mated with other dark moths.
c) The Industrial Revolution created pollution that made the white birch trees dark.
d) The dark peppered moths are a different species.
A species that cannot successfully adapt to its environment can become extinct.
a) True
b) False
c)
d)
A frog may have hundreds of offspring at a time, but only a small number will survive. This is an example of
a) adaptation
b) overproduction
c) competition
d) artificial selection
The more closely related two different organisms are, the
a) more similar their habitats are
b) less similar their habitats are
c) more recently they shared a common ancestor
d) less likely they are to have the same genes in common
An organism’s relative fitness is measured by its
a) mutation rate
b) health and stability in the face of environmental change
c) ability to pass on advantageous traits and survive
d) genetic variability
A species is defined as
a) a population of organisms similar in size, shape, and color
b) a group of organisms that live in the same habitat
c) a population of organisms that are able to interbreed
d) a population of organisms that have the same number of chromosomes
Which of the following can scientists NOT interpret by examining fossils?
a) how Earth’s environment has changed over time
b) how plants and animals have changed over time
c) the age of certain layers of rocks
d) how plants and animals go extinct
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