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8 Cards in this Set

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  • Back
Explain how the adaptations of early reptiles enabled these animals to live on land.
Early reptiles had legs that were located under the body rather than out to the sides, and they had clawed toes. This body structure and claws enhanced their movement on land.
Describe two ways in which turtles protect themselves.
Turtles can draw limbs, heads, and tails into their hard shells. Turtles may also use their powerful jaws to crush other animals.
Describe how snakes use the Jacobson's organ for finding food.
The tongue picks up chemicals in the air. The snake then draws its tongue back into its mouth and moves it over or inserts it into the Jacobson’s organ for identification.
Analyze the relationship between modern reptiles and dinosaurs.
They have the same reptilian features as dinosaurs: dry, thick scaly skin, clawed toes, and the amniotic egg.
Analyze how having a four-chambered heart benefits crocodiles and alligators on a daily basis.
A four-chambered heart keeps blood without oxygen separate from oxygenated blood. This means that more oxygen can reach tissues, which allows for a greater rate of cellular respiration and energy release.
Identify a reptile as a snake, lizard, turtle, or crocodile.
Snakes have no limbs Lizards have claws, scaly skin, and limbs Turtles have shells that protect their body Crcodiles swim in water and live on land, have scaly skin and large snouts with large teeth
major adaptation in land animals; amniotic sac encloses an embryo and provides nutrition and protection from the outside environment
amniotic egg
in snakes, a pitlike sense organ on the roof of the mouth that picks up and analyzes airborne chemicals.
Jacobson's organ