15.What is suggested by the similarity of early embryos of different species of vertebrates?
A.No evolutionary relationship between the groups
B.Recent common ancestry
C.Similar environments in the past
D.Evolution from a distant common ancestor
16.Which of the following is a term for a group of similar organisms that can reproduce and produce fertile offspring?
A.Individual
B.Population
C.Species
D.Fossil
17.The DNA sequences of whales and ungulates, or hooved animals, are very similar. What type of evidence of evolution is this?
A.Vestigial
B.Molecular
C.Embryological
D.Fossil
18.The beak types of different Galápagos finch species are examples of
A.analogous structures.
B.vestigial structures.
C.fossils.
D.adaptations.
19.Darwin’s observations of fossils from large extinct animals led to which conclusion?
A.Many organisms died out as a result of a large earthquake.
B.Fossilized organisms are related to modern organisms.
C.At one time, armadillos lived in the ocean but later became extinct.
D.Fossils provide evidence that modern organisms are un-related.
20.The theory that landforms on Earth’s surface, such as mountains, waterfalls, and canyons, were created as the result of sudden spectacular events is called the theory of
A.uniformitarianism.
B.catastrophism.
C.gradualism.
D.evolution.
21.A trace of an organism that existed in the past is called
A.a fossil.
B.a species.
C.a vestigial.
D.an adaptation.
22.Adaptations in a population can result in ______ changes over ______.
A.geologic, land
B.land, geology
C.genetic, time
D.environmental, seas
23.Darwin concluded that great change can happen over time when he found
A.Galapagos Island tortoises with long necks in Great Britain .
B.Galapagos Island tortoises with short necks in Great Britain.
C.fossils of marine organisms deep within the Atlantic Ocean.
D.fossils of marine organisms high in the Andes Mountains.
24.Scientists developing a corn plant with excellent roots and a high yield is the result of
A.selection through moderation.
B.selection with cross-reference.
C.artificial selection.
D.natural selection.
25.A rabbit that develops adaptations allowing it to eat foods that other rabbits cannot and that can have more baby rabbits per pregnancy would have
A.low adaptability.
B.high mortality.
C.a low fitness.
D.a high fitness.
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