| A | B |
|---|
| organ | Different tissues working together to accomplish a specific function |
| adaptation | A characteristic that elps an organism survive in its environment |
| herbivore | An animal that only eats plants |
| carnivore | An animal that only eats meat. |
| predator | A carnivore that hunts and kills other animals for food |
| prey | An animal that predators feed on. |
| omnivoire | An animal that eats plants and meat |
| invertebrate | An animal without a backbone |
| vertebrate | An animal with a backbone |
| chordate | The phylum whose members have a notochord, nerve cord, and slits in their throat area at some point in their lives. |
| notochord | A flexible rod that supports a chordate's back |
| cartilage | A flexible connective tissue that gives support. |
| vertebrae | The bones that make up the backbone of an animal. |
| ectotherm | An animal whose body does not produce much internal heat. |
| endotherm | An animal whose body controls and regulates its temperature. |
| fish | A vertebrate that lives in the water and has fins. |
| swim bladder | An internal gas-filled organ thathelps bony fish stabilize its body at different levels in the water. |
| amphibian | An ectothermic vertebrate that spends its early life in water and its adulthood on land, returning to water to reproduce. |
| atrium | Upper chambers of the heart that receives blood that comes into the heart. |
| ventrical | A lower chamber of the heart that pumps blood out of the heart. |
| habitat | The place where an organism lives and that provides the things the organism needs. |
| reptile | An ectothermic vertebrate with lungs and scaly skin; lays eggs with tough, leathery shells. |
| urine | A watery fluid produced by the kidneys that contain urea and other waste products. |
