Which characteristics define the Order Primates in the Linnaean hierarchy?
Answer
Grasping hands and forward-facing eyes
The Order Primates is characterized by several specific anatomical and physiological traits that distinguish it within the Class Mammalia. Key defining features include the presence of grasping hands, which are crucial for arboreal life and manipulation, and forward-facing eyes, which provide binocular vision necessary for depth perception. These features contrast sharply with traits belonging to other taxonomic ranks: warm-blooded characteristics and nursing young belong to the Class Mammalia; possessing a notochord and dorsal nerve cord defines the Phylum Chordata; and being multicellular and heterotrophic applies to the broadest category, the Kingdom Animalia.
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