BCS 1005 Exam 3 UPDATED Exam Questions and CORRECT Answers
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Course
BCS 1005
Institution
BCS 1005
BCS 1005 Exam 3 UPDATED Exam
Questions and CORRECT Answers
Polyploidy is a type of sympatric speciation. - CORRECT ANSWER- Which of the
following is a correct statement about sympatric or allopatric speciation?
Analogous traits; homologous features - CORRECT ANSWER- ___________________
are ...
BCS 1005 Exam 3 UPDATED Exam
Questions and CORRECT Answers
Polyploidy is a type of sympatric speciation. - CORRECT ANSWER-✔✔ Which of the
following is a correct statement about sympatric or allopatric speciation?
Analogous traits; homologous features - CORRECT ANSWER-✔✔ ___________________
are the product of convergent evolution, whereas _______________ are the result of shared
ancestry.
classifying most plants and animals - CORRECT ANSWER-✔✔ Which of the following is
not one of the difficulties in using the biological species concept?
They have organelles. - CORRECT ANSWER-✔✔ What makes eukaryotes unique?
Bacteria, Archaea, and Eukarya. - CORRECT ANSWER-✔✔ The three domains of life are:
the wing of a housefly and the eye of a dog - CORRECT ANSWER-✔✔ Which of the
following is not a pair of homologous structures?
natural selection
competition
changing environmental conditions
bad luck - CORRECT ANSWER-✔✔ Which of the following is a cause of background
extinction?
asexual organisms.
bacteria.
, extinct organisms. - CORRECT ANSWER-✔✔ The biological species concept cannot be
applied to:?
For a given organism, the pace of evolution depends on the selective forces acting on the
population. - CORRECT ANSWER-✔✔ Which statement most accurately describes what we
know about the rate of evolutionary change?
long periods of relatively little evolutionary change are interrupted by bursts of rapid change.
- CORRECT ANSWER-✔✔ Punctuated equilibrium is a model of evolution in which:
65 million years ago. - CORRECT ANSWER-✔✔ Mammals experienced significant
adaptive radiation about:
amphibians - CORRECT ANSWER-✔✔ The most primitive group of animals that had lungs
were the:
The tube feet create a combined force to pull apart shells of a clam or mussel.
The stomach can be pushed out through the mouth into a slightly opened clam shell, secreting
digestive enzymes. - CORRECT ANSWER-✔✔ Sea stars, a type of echinoderm, are
seemingly harmless organisms. Which of the following, if any, is a defense/predation
mechanism of the sea star?
Which terrestrial problem correctly matches its evolutionary solution? - CORRECT
ANSWER-✔✔ oxygen in the air: lungs
The notochord is not present throughout life; rather, it is only found in early embryos and is
replaced by the vertebral column (backbone). - CORRECT ANSWER-✔✔ Which of the
following is unique about vertebrates in terms of the phylum Chordata?
pupa: body structures of the larva are broken down and reassembled - CORRECT ANSWER-
✔✔ Which of the following correctly pairs a stage of arthropod metamorphosis with its most
significant change at that stage?
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