CLASSIFICATION
CHARACTERISTICS OF PRIMATES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The fact that tarsiers are nocturnal and lemurs and lorises are nocturnal ____
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shows us that these primates should be grouped together under prosimians.
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is not useful because it is ancestral
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is not useful because it is an analogous trait
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tarsiers don’t really exist
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Explanation:
Detailed explanation-1: -Like lorises & lemurs, tarsiers are also NOCTURNAL. Like anthropoids, tarsiers have more ENCLOSED BONY ORBITS.
Detailed explanation-2: -Tarsiers also share traits with anthropoid primates. They have more enclosed, bony orbits instead of a post-orbital bar, lac the dental comb seen in lemurs and lorises.
Detailed explanation-3: -The ancestors of tarsiers, in becoming nocturnal again, had to readapt to dim light, as tarsiers depended on vision in dim light to detect their insect and small vertebrate prey that became their only food.
Detailed explanation-4: -opposable thumbs, forward facing eyes, and reduced sense of smell.
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