Evolution And The History Of Life Question Preview (ID: 7935)
Review Of Evolution And The History Of Life.
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Which of the following was an early realization that gave rise to Darwin's theory of natural selection?
a) Most organisms share the same habitat.
b) The earth is younger than previously though.
c) Organisms do not appear to be closely related.
d) The earth and its organisms have changed through time.
Farm animals with preferred traits are chosen for breeding. These chosen animals usually produce offspring with these preferred traits. This best illustrates the process of
a) evolution
b) natural selection
c) artifical selection
d) genetic engineering
Lamarck's idea of
a) Acquired traits are passed down from parent to offspring
b) acquired traits are not passed down from parent to offspring
c) in animals, traits that are used often will grow and change shape.
d) in animals, traits that are not used often will shrink and change shape.
Which of the following is an observation made by Darwin that supports his theory of natural selection?
a) All organisms that are born survive.
b) More organisms are born than can survive.
c) Insects produce many offsrping but produce few eggs.
d) Insects never produce offspring.
A group of brown moths are attracted to a brown tree. In the spring the tree produces white blossoms. Which adaptation will help the moths?
a) An adaptation to fly higher.
b) An adaptation of white wing color.
c) An adaptation to eat tree leaves.
d) An adaptation to produce less offspring.
All of the following adaptations could lead an organism to be successful except
a) a fox in northern Canada grows white fur
b) a butterfly develops coloring that enables it to camouflage itself in its environment.
c) a salamander living in a cave is born with eyesight or fully developed eyes.
d) An elephant in the Savannah develops without the ability to hear.
As the finches on the Galapagos Island became more and more varied, whether due to available food sources of geographic isolation, what was occurring?
a) predation
b) extinction
c) speciation
d) competition
Which of the following is the most specific group used to classify organisms?
a) Kingdom
b) Class
c) Genus
d) Order
Scientists have hypothesized that oxygen began to build up in the Earth's atmosphere after the development of living things with the ability to
a) breathe air
b) form tissues
c) photosynthesize
d) reproduce sexually
One important feature of modern classification systems is that they
a) Can predict the discovery of new species
b) apply only to organisms that are alive today
c) group organisms that live in the same habitat
d) can incorporate new scientific discoveries
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