Animal Kingdom Overview - Problem Set
Q. What is the primary role of the nervous system in animals?
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A.
Digestion
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B.
Movement
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C.
Coordination and response
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D.
Reproduction
Solution
The primary role of the nervous system is to coordinate and respond to stimuli from the environment.
Correct Answer: C — Coordination and response
Q. What is the process by which organisms change over time through adaptations?
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A.
Natural selection
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B.
Genetic drift
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C.
Mutation
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D.
Speciation
Solution
Natural selection is the process by which organisms change over time through adaptations that enhance survival and reproduction.
Correct Answer: A — Natural selection
Q. Which of the following is a characteristic of mammals?
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A.
Feathers
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B.
Scales
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C.
Hair or fur
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D.
Gills
Solution
Mammals are characterized by the presence of hair or fur, which helps in insulation and temperature regulation.
Correct Answer: C — Hair or fur
Q. Which of the following is NOT a characteristic of chordates?
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A.
Notochord
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B.
Dorsal nerve cord
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C.
Pharyngeal slits
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D.
Exoskeleton
Solution
An exoskeleton is not a characteristic of chordates; they typically have an internal skeleton.
Correct Answer: D — Exoskeleton
Q. Which organ is primarily responsible for filtering blood in mammals?
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A.
Liver
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B.
Heart
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C.
Kidneys
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D.
Lungs
Solution
The kidneys are primarily responsible for filtering blood and removing waste products from the body.
Correct Answer: C — Kidneys
Q. Which reproductive strategy involves the development of offspring inside the mother's body?
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A.
Oviparity
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B.
Viviparity
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C.
Ovoviviparity
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D.
Asexual reproduction
Solution
Viviparity is the reproductive strategy where offspring develop inside the mother's body and are born live.
Correct Answer: B — Viviparity
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