What characteristics do all amphibians share?

• A four chambered heart

• Moist skin

• Scales and claws

• Eggs with hard shells

How would you classify an animal that has feathers, hollow bones, and a beak and lays eggs?

• an amphibian

• a reptile

• a bird

• a mammal

Tags

NGSS.MS-LS4-2

Which of the following animals is an invertebrate?

• butterfly

• snake

• deer

• robin

A scientist is putting together a model to easily identify organisms using the information in the table. His model is shown. Which table best identifies the groups in the scientist's model?

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A student is designing a model to classify organisms. The diagram shows her incomplete model. Which two questions can the student add to point X on her model that will correctly complete the model?

• Does it fly?

• Does it eat?

• Does it lay eggs?

• Does it have two eyes?

• Does it breathe with lungs?

Tags

NGSS.MS-LS4-2

The picture shows an animal called a pangolin. Pangolins belong to which group of animals?

• fish

• reptiles

• mammals

• amphibians

Sam is hoping to classify an animal in the correct group. She knows that the animal has a backbone, is cold-blooded, and can live in the water. Which category below does the animal NOT belong to?

• birds

• fish

• reptiles

• amphibians

Which is characteristic of amphibians?

• They live in water during part of their life cycle.

• They lay eggs with shells.

• They have scales and claws.

• They have dry skin to protect against moisture loss.