What is the difference between a Vertebrate and an Invertebrate? Directions: Get a Science textbook Read page A16 & look at the pictures (make sure to read the captions!)

Vertebrates Vertebrates are animals with a backbone 5 Groups of Vertebrates: Birds Mammals Fish Reptiles Amphibians

Birds A characteristic that defines birds is that they have _______________.

Mammals A defining characteristic of mammals is that they have _________ or _________.

Fish A defining characteristic of fish is that they have __________ and use __________ to breathe.

Reptiles A characteristic that defines reptiles is that they have _______ like fish, but they have _________ to breathe.

Amphibians A defining characteristic of amphibians is that even though they don’t have hair or fur, they also don’t have __________.

Animal Adaptations Directions: Get your Science textbook Read page A48 & answer the following questions: What is an adaptation? Give an example of a bird adaptation.

Examples of Adaptations

Animal Adaptations Directions: Read page A50 in your Science textbook. Look at the pictures and read the captions, too. Birds have __________ that help them fly. Mammals have ___________ that keeps them warm. Fish have _________ that protect them from other animals. Dolphins do not have a lot of _________ which helps them glide through the water. A hedgehogs’ spines help protect it from ___________. Polar bears’ fur is __________ which helps keep it warm in the cold weather.