Segmentation of animals is important evolutionarily because it
A) allows organisms to grow much larger than they could without segmentation.
B) has allowed organisms to alter their body forms in complex ways.
C) increases the mobility of an organism.
D) reduces the surface area-to-volume ratio.
E) allows for asexual reproduction.
Correct Answer:
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Q20: The placozoans are considered to be the
Q21: Which of the following structures is/are not
Q22: Bilateral symmetry
A) is common in ctenophores.
B) is
Q23: In terrestrial environments, fluid-filled body cavities function
Q24: Which of the following is not considered
Q26: Coordinated movement in animals is achieved because
Q27: The main difference between a coelom and
Q28: The terms "acoelomate," "pseudocoelomate," and "coelomate" refer
Q29: A pseudocoelomate animal lacks a
A) body cavity.
B)
Q30: The body cavity of coelomate animals develops
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