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Biology - HOT Science Lab

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Student<br />

Figure 1<br />

Table 1<br />

Characteristic Alligator Bird Deinonychus<br />

Narrow scapula (shoulder blade)<br />

Wide scapula (shoulder blade)<br />

Prominent sternum (breastbone)<br />

3 primary toes on hind feet<br />

4 primary toes on hind feet<br />

Extra toe that points backward<br />

Hind legs underneath the body<br />

rather than to the sides<br />

Long tail<br />

Short tail<br />

Claws on front feet<br />

Claws only on hind feet<br />

Bipedal (walks on 2 legs)<br />

Quadrupedal (walks on 4 legs)<br />

Teeth<br />

<strong>Biology</strong> HSL Page 61<br />

Curriculum and Instruction

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