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Animals
Section 1 & 2
| Term | Definition |
|---|---|
| cell | the basic structure and function of living things |
| tissue | a group of cells that perform similar functions |
| organ | a group of several different tissues |
| adaptation | actions that let animals do basic things in their environment |
| sexual reproduction | the process where a new organism develops from the joining of two sex cells |
| fertilization | the joining of an egg and sperm cell |
| asexual reproduction | when an organism produces an organism identical to itself |
| phylum | major animal groups |
| vertebrates | animals with a backbone |
| invertibrates | animals without a backbone |
| larva | the immature form of an animal that looks different then the adult |
| polyp | vase-shaped body plan |
| medusa | bowl-shaped body plan |
| cndarians | invertibrates with stinging cells and body cavity that takes in food |
| colony | a group of many individual animals |
| coral reef | built by cnidarians |