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(WGU C654) BIO 2101 - Zoology - OA Review .
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(WGU C654) BIO 2101 - Zoology - OA Review .(WGU C654) BIO 2101 - Zoology - OA Review .(WGU C654) BIO 2101 - Zoology - OA Review .(WGU C654) BIO 2101 - Zoology - OA Review .

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  • August 22, 2024
  • 26
  • 2024/2025
  • Exam (elaborations)
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  • wgu c654 bio 2101 zoology oa review

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  • Western Governors University
  • WGU- Educational Assessment
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C654 BIO 2101




Zoology




OA REVIEW




©WGU 2024/2025

,1. Multiple Choice: Which of the following is not a characteristic of
Chordates?
a) Dorsal nerve cord
b) Pharyngeal slits
c) Ventral heart
d) Post-anal tail
Correct Answer: c) Ventral heart
Rationale: Chordates are defined by having a dorsal nerve cord,
pharyngeal slits, and a post-anal tail. The heart is typically situated
ventrally in other animal groups, not Chordates.


2. Fill-in-the-Blank: The process by which new species evolve from
a common ancestor is known as __________.
Correct Answer: Speciation
Rationale: Speciation is the evolutionary process resulting in the
creation of new, distinct species from a single ancestral species.


3. True/False: All mammals are viviparous, meaning they give birth
to live young.
Correct Answer: False

©WGU 2024/2025

, Rationale: While many mammals are viviparous, some, like the
platypus and echidnas, lay eggs and are therefore oviparous.


4. Multiple Response: Select all that apply. Which of the following
are key concepts in the study of animal behavior?
a) Ethology
b) Ontogeny
c) Phylogeny
d) Morphology
Correct Answers: a) Ethology, b) Ontogeny, c) Phylogeny
Rationale: Ethology is the study of animal behavior, ontogeny
refers to the development of an individual organism, and
phylogeny is the evolutionary history of a species. Morphology, the
study of form and structure, is not exclusively related to behavior.


5. Multiple Choice: In terms of energy transfer, a trophic pyramid
is used to represent:
a) The number of organisms at each trophic level
b) The biomass at each trophic level
c) The energy flow through an ecosystem
d) The reproductive rate of species
Correct Answer: c) The energy flow through an ecosystem

©WGU 2024/2025

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