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Type: Multiple-Choice
Category: Zoology
Level: College
Created: 2 weeks ago

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College Zoology

A biologist discovers the carcass of an animal that was recently partially eaten by a predator in the jungle. The animal's heart was large, well-formed, and had four chambers, with no connection between the right and left sides. What reasonable conclusion can be drawn based on these observations?
  1. Animal was endothermic and had a high metabolic rate.
  2. Animal was likely an invertebrate animal.
  3. Animal had evolved from birds.
  4. Animal was most closely related to non-avian reptiles.
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