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Set 16 Charles Darwin Evolutionary Thought And The Evide
Question 1
(Multiple Choice)
Free
Both sea squirts and lampreys have a perforated pharynx, a notochord at some stage of development, and a ventral heart. These similarities are best explained by which of the following hypotheses?
A) divergent evolution
B) the same type of cleavage pattern in the fertilized egg
C) likeness of dietary habit
D) common ancestry
Answer
Question 2
(Multiple Choice)
Free
Refer to the figure above and then answer the question that follows.-Assume that it is possible to remove continuous cores of rock from the earth 6 inches in diameter and 3,000 feet long. What would the theory of evolution by natural selection predict about the fossils in such cores as they are examined from bottom to top?
A) The number of fossils decreases, but the number of species increases.
B) Species change gradually.
C) Fossil species remain constant.
D) There are gaps in the core where no fossils are found.
Answer
Question 3
(Multiple Choice)
Free
If the weather in Richmond, Virginia, changed to a very cold climate (snow on the ground 8 months of each year) over the next few years, what change might occur?
A) Evolution would definitely occur, resulting in white squirrels.
B) Genetic drift will occur at a faster rate during the cold part of the year.
C) The cold weather would cause a mutation in squirrels that causes their fur to be white.
D) If a mutation had previously occurred that caused white fur, such white squirrels would have a better chance to survive and reproduce.
Answer