| A | B |
|---|
| gills | organs for breathing found in fish and amphibians |
| amphibian | one of a large group of animals with backbones that live part of their lives in water and part on land |
| What does the word "amphibian" mean? | double life |
| reptile | an animal with a backbone that has a dry, scaly skin |
| mammal | an animal with a backbone that usually has hair on its body and feeds milk to its young |
| cold-blooded animals | an animal with a backbone whose body temperature changes with the temperature of the water or air around them |
| warm-blooded animals | an animal with a backbone whose body temperature DOES NOT change with the temperature of the water or air around them |
| What is the largest group of animals with backbones? | fish |
| Name the 3 cold-blooded groups. | fish, amphibians, and reptiles |
| Name the 2 warm-blooded groups. | birds and mammals |
| What do fish use fins for? | to help keep them upright and to steer |
| What are the different body coverings on aniamls? | fish scales, snake or lizard skin, bird feathers, mammal fur or hair |
| What are these body coverings used for? | These body coverings are used to protect the animals, keep them warm, and help the animal blend into its surroundings. |
| Salamanders, frogs, and toads are examples of what group of animals with backbones? | amphibians |
| Describe the life cycle of a frog. | A frog begins life as a tadpole that lives in water, that has gills and a tail. As a tadpole rows, it loses its fail and gills and develops legs and lungs so it can live on land. |
| Do amphibians hatch from eggs? | yes |
| Snakes, turtles, lizards, and alligators are examples of which group of animals with backbones? | Reptiles |
| Can reptiles live in many different environments? | Yes, they can live in deserts, rain forests, grasslands, and in and near water. |
| Where do MOST reptiles lay their eggs? | They lay their eggs on land, where they hatch. |
| How are the eggs of a garter snake different from those of a sea turtle? | The garter snake's eggs hatch INSIDE the mother's body, and she give birth to live babies. A sea turtle lays her eggs in a nest, and they hatch. |
| Name two birds that cannot fly | The ostrich and the penguin cannot fly. |
| Which group of animals with backbones feeds milk to its young? | mammals |
| What is the only mammal who can fly? | the bat |
| What is the largest living mammal? | the blue whale |
| What helps make a bird fly? | A bird's lightweight skeleton (hollow bones), wings, and large, stiff feathers help make a bird fly. |
| Name two types of feathers a bird has. | A bird has small, fluffy feathers called down, which help trap the heat. A bird's large, stiff feathers help it fly. |
| Why is a dolphin a mammal rather than a fish? | A dolphin is warm-blooded, breathes air with lungs, and gives birth to live young who drink their mother's milk. |
| How are a platypus and an anteater different from other mammals? | The platypusand the anteater lay eggs rather than give birth to live young. |
| migration | the movement of an animal from one location to another as the seasons change |
| What do turtles have that no other animal with backbones have? | A turtle has a shell. |
| How does a female alligator care for her young? | The female alligator stands guard over her eggs until they hatch. She cares for them for about one year. |
| What is the smallest living mammal? | a shrew |
| Compare how an alligator cares for her young compared to a sea turtle. | The female alligator stands guard over her eggs until they hatch. She cares for them for about one year. The sea turtle lays her eggs in a hole in the sand and then returns to the sea. |
