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science ch. 11
| Term | Definition |
|---|---|
| animal | multicellular eukaryotes that are heterotrophs. They eat other living things because they can’t make their own food |
| Animal Kingdom | a basic group of natural objects that include all living and extinct animals. |
| invertebrate | animals that lack a vertebral column, or backbone |
| larva | a distinct juvenile form that many animals go through before becoming an adult |
| vertebral column | backbone |
| vertebrate | animals that have a backbone |
| amniote | animals that produce eggs with waterproof membranes |
| aquatic | lives in water |
| chordate | animals without a notochord |
| coelom | a fluid-filled body cavity that is completely enclosed by mesoderm |
| cranium | bony skull |
| exoskeleton | non-bony skeleton that forms on the outside of the body |
| notochord | a rigid rod along the length of the body |
| pseudocoelom | body cavity filled with fluid |
| segmentation | division of the body into multiple parts |
| symmetry | able to be divided into two identical halves |
| terrestrial | inhabitant of the earth |