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# Facts to Remember: Animals **1. Animals are grouped:** * According to their features * According to their food * According to their movement **2. Animals are divided into two groups by features:** * **Vertebrates:** Animals with a backbone. * **Invertebrates:** Animals without a back...

# Facts to Remember: Animals **1. Animals are grouped:** * According to their features * According to their food * According to their movement **2. Animals are divided into two groups by features:** * **Vertebrates:** Animals with a backbone. * **Invertebrates:** Animals without a backbone. **3. Vertebrates:** * **Fish:** Live in water. * **Amphibians:** Live on land and in water. * **Reptiles:** Move by creeping or crawling. * **Birds:** Have wings, feathers, and a beak. Some can fly. * **Mammals:** Feed young with milk. Give birth to young. **4. Invertebrates:** * **Worms:** Long, soft bodies. * **Spiders:** Eight legs. * **Insects:** Six legs, often wings, three body parts (head, thorax, abdomen). **5. Animals are divided into four groups by food:** * **Carnivores:** Eat only meat. * **Herbivores:** Eat only plants. * **Omnivores:** Eat both meat and plants. * **Insectivores:** Eat only insects. **6. Animals move in different ways:** * Use their legs (running, climbing, crawling) * Use their wings (flying) * Use their fins (swimming) * Use their bodies (crawling, creeping) * Use their arms and legs (climbing, swinging, walking, running) **7. Food Chain:** Shows how living things get food and how energy passes from one to another. Starts with plants and ends with animals. **8. Predator:** An animal that hunts other animals for food. **9. Prey:** An animal that is hunted by a predator for food.