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Snakes have moist skin.

Snakes do not have lungs.

Snakes have two-chambered hearts.

Snakes have no legs.

Modern hominids are:

Homo sapiens

Australopithecus afarensis

Homo erectus

Homo habilis

One reason for the early success of reptiles was that

reptiles could reproduce away from water.

Reptiles were strictly aquatic.

Earth's climate became warmer and more humid.

Lakes and swamps became more numerous.

Most reptiles exchange gases through their:

gills

skin

lungs

limbs

One method snakes use to locate prey is to flick their tongue in the air and then draw their tongue across the roof of their mouth. In this method, the function of the tongue is to:

collect chemicals in the air

measure the temperature of the air

pick up vibrations from the air

sense the direction of the wind

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13y ago
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11y ago

segmentation

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Q: What is a snakes body plan?
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