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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 |