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Summary Walden University BIOL 1001 Final Exam WEEK 6 Copy.docx (1) BIOL 1001 Walden University BIOL 1001 Final Exam WEEK 6 “Question and Answers (Correct Answers). Correct Answers Displayed Question 1 North America is currently experiencing an unprecedent$7.49
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Summary Walden University BIOL 1001 Final Exam WEEK 6 Copy.docx (1) BIOL 1001 Walden University BIOL 1001 Final Exam WEEK 6 “Question and Answers (Correct Answers). Correct Answers Displayed Question 1 North America is currently experiencing an unprecedent
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Walden University BIOL 1001 Final Exam WEEK 6 C (1) BIOL 1001 Walden University BIOL 1001 Final Exam WEEK 6 “Question and Answers (Correct Answers). Correct Answers Displayed Question 1 North America is currently experiencing an unprecedented and rapid loss of species. What is believed to ...
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BIOL 1001
Walden University BIOL 1001 Final Exam WEEK 6 –
Question and Answers (Correct Answers).
Correct Answers Displayed
Question 1
North America is currently experiencing an unprecedented and rapid loss of species. What is
believed to be the main cause?
Correct Answer: d. Human activities
Question 2
Which of the following is not a form of evidence used in understanding the evolutionary
relationship among living organisms?
Correct Answer: c. All of the above
Question 3
During cellular respiration, glucose is metabolized into the low-energy compounds carbon
dioxide and water, while the rest of the energy released goes where?
Correct Answer: a. Into ATP
Question 4
Different versions of the same genes are called:
Correct Answer: a. Alleles
Question 5
During the 19th century, sea otters were hunted almost to the point of extinction. When the
number of sea otters became very low, the ecosystem of kelp bed “forests” also declined.
Scientists discovered that the sea otters were predators of sea urchins, which were, in turn,
predators of the kelp. When sea otters declined, the sea urchin populations grew, destroying the
, kelp ecosystem and the many species that depended on it. It was then understood that sea otters
were in this
ecosystem.
Correct Answer: d. a keystone species
Question 6
A particular Galápagos finch uses the sharp point of its beak to break open small nuts and the
strength of its jaws to crack open larger nuts. When a breeding population is blown onto an
island with a choice of either very small nuts or very large nuts, members of the group began to
specialize, one group eating only very small or very large nuts, depending upon their beaks. Over
time, two stable groups developed, each directed towards its specific niche. This is an example
of:
Correct Answer: d. Diversifying selection
Question 7
You are trying to breed a heterozygote Rr rat and want to avoid homozygotes. Which of the
following crosses would be your best choice?
Correct Answers: c. RR x rr
Question 8
Driving along a rural two-lane highway, you notice red-winged hawks perched on a tree
approximately every mile or so. This pattern continues for quite a few miles. This is an example
of a distribution.
Correct Answer: e. uniform
Question 9
Gametes fuse together during:
Correct Answer:
e. Fertilization
Question 10
Match each term in column 1 with its definition in column 2.
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