OBJECTIVE LIFE SCIENCE
EVOLUTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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____ structures are reduced in size or function.
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vestigial
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homologous
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cladistic
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phylogenic
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Explanation:
Detailed explanation-1: -A vestigial structure is a physical structure that has reduced or atrophied from an ancestral state and is no longer functioning.
Detailed explanation-2: -A vestigial structure is a biological structure that has lost a major ancestral function and is usually drastically reduced in size. Well-known examples include the eyes of blind cave fishes and blind cave salamanders, and the diminutive wings of kiwis and emus.
Detailed explanation-3: -Vestigial structures are anatomical structures of organisms in a species which are considered to have lost much or all of their original function through evolution. These structures are typically in a degenerate, atrophied, or rudimentary condition or form.
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