z Mrs. Roehl Invertebrates vs Vertebrates z What is a vertebrate? Vertebrates are animals that have a spinal column and a skeleton formed from bones. The skeleton holds up and protects the body There are 5 types of vertebrates Fish Amphibians Reptiles Birds Mammals z Fish live in water and breathe through gills. Their skin is covered in scales and they have fins to swim 1. Fish z 2. Amphibians Amphibians can live in water and on land Their babies live in the water and breathe through gills The adults breathe through lungs and through their skins z Reptiles live on land and some in water They breathe through lungs Their skin is covered in scales and some have a shell 3. Reptiles z They live on land and in the air They breath through lungs Have feathers and wings 4. Birds z A lot live on land, some in water They breath through lungs Their body is covered in skin and fur Their babies feed on their mother’s milk 5. Mammals z Vertebrates are classified by A) How they breathe: How are they classified? Some vertebrates breath oxygen from water through gills, others breathe air through lungs. Amphibians can breathe through their skin B) What they eat: Carnivores – eat other animals Herbivores – eat plants Omnivores – eat both plants and animals C) How they reproduce: Most are oviparous (babies born from eggs laid by mother) Some are viviparous (babies born alive from mother’s womb) z What is an invertebrate? Invertebrates are animals that do not have a spinal column or a skeleton made of bones. Some examples of invertebrates are jellyfish, worms, molluscs, and arthropods z Invertebrates Most of the animals on The Earth are invertebrates, many of them live in the sea and are very small They have a soft body because they do not have skeletons. Many have a shell or exoskeleton to protect their soft bodies z A) What they eat: They are carnivores, herbivores, and omnivores B) How they breathe: Classifying Invertebrates Some breathe through their skin, others through gills and others through lungs C) How they reproduce: All invertebrates are oviparous Offspring are called larva Some change shape as they grow