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Which of the following animals is a mammal?

• Frog

• Dolphin

• Lizard

What is a common characteristic of all reptiles?

• They have scales

• They have feathers

• They lay eggs in water

Which class of animals lays eggs and has feathers?

• Mammals

• Birds

• Amphibians

Which of these animals is a carnivore?

• Bear

• Wolf

• Rabbit

Amphibians typically go through what type of development?

• Metamorphosis

• Live birth

• Direct development with no changes

Fish breathe using which organ?

• Lungs

• Gills

• Skin

Which of the following is NOT a mammal?

• Bat

• Whale

• Shark

Most reptiles reproduce by:

• Giving birth to live young

• Laying soft-shelled eggs on land

• Laying eggs in water

Birds have which of the following unique characteristics?

• Feathers and lay eggs

• Have scales and cold-blooded

• Warm-blooded and have fur