Middle School Life Science Quiz
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BIOLOGICAL EVOLUTION: UNITY AND DIVERSITY
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Four anatomical models show skulls in the same side-view orientation with a 1 cm scale bar.
- Skull 1 and Skull 2 both show a similar pattern: a single lower jaw bone, a similar position of the eye socket, and a similar arrangement of teeth types (front cutting teeth followed by flatter back teeth).
- Skull 3 shows many small jaw bones and teeth that are mostly the same shape.
- Skull 4 shows a beak with no teeth.
Anatomical similarities can suggest relationships.
Which inference about relationships is supported by the skull evidence?
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