Bio CH 34 – Flashcards
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There are three major groups of mammals, categorized on the basis of their _____.
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Method of reproduction
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Which of the following statements about hominin evolution is correct? As hominins have evolved, _____.
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Sexual dimorphism was significantly reduced. Reduced sexual dimorphism is associated with pair bonding.
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Unlike eutherians, both monotremes and marsupials
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have some embryonic development outside the uterus
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As hominins diverged from other primates, which of the following appeared first?
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Bipedal locomotion
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Which of the following chordate groups include(s) humans?
Hominins
Gnathostomes
Amniotes
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Hominins, gnathostomes, amniotes
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Which of the following statements describing hominin evolution is/are correct
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Homo sapiens is the only surviving memeber of a highly branched evolutionary tree of hominin species.
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What is the significance of the evolution of Hox gene clusters during vertebrate evolution?
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Duplication of Hox genes made increased morphological complexity possible.
