Science Revision PDF

Science revision What is a fish? What is an insect? What is a bird? What is a mammal? What is a reptile? What is an amphibian? What is protection? Protection keeps things safe from harm. Some animals can use their structures for protection. hedgehog Animals can...

Science revision What is a fish? What is an insect? What is a bird? What is a mammal? What is a reptile? What is an amphibian? What is protection? Protection keeps things safe from harm. Some animals can use their structures for protection. hedgehog Animals can also use structures like their nose, mouth, eyes, and ears to help them live. Why do insects have wings? Why do birds have beaks? Why do dolphins have fins have wings? p: 33 p: 33 p: 42 p: 42 p: 43 p: 43 Cats in the same family can have different color of fur. All the cats have the same structures. What is a Trait? A trait is something that describes how an animal looks or acts. A mother cow and her calf often have similar colors. Sometimes baby animals (offspring) can look different from their parents. p: 48 p: 48 Young animals look like their parents. Their structures are the same. They can have different color. What is a behavior? A behavior is the way a person, animal, or thing acts or does something. Some animals parents care for their offspring. These behaviors help their offsprings to survive. Animal babies let their parents know what they need. Babies signal to send a message. A signal is a sound or movement that gives information. Baby birds make sounds. They also open their mouths when they are ready to eat. Animal babies learn behaviors from their parents. Both signals and behaviors help young animals survive. As young animals grow, they learn how to survive on their own. Learn means to gain knowledge.