Science Notebook - Student Edition

Main Idea Details

Reptiles and Birds 299

Characteristics

of Reptiles

I found this information

on page.

Identify the adaptations reptiles made to survive on land.

Needed for Life on Land Adaptation

protect embryo from drying

out

prevent excessive loss of

water and minerals from the

body

exchange gases other than

through skin

crocodile’s need for more

oxygen delivered to cells to

help move its large body

snake’s need to swallow prey

larger than itself

complex vision and muscle

function

move faster and bear more

body weight

Model a reptilian egg. Label the amnion, embr yo, allantois, yolk

sac, chorion, and shell.

Section 29.1 Reptiles (continued)

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