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| Term | Definition |
|---|---|
| cell |  a membrane-covered struture that contain all the materials for life |
| homeostasis | the matenance of a stable internal enviroment |
| DNA |  heredity material that controls all the activies of a cell, contains the information to make new cells, and provides intrustions for making proteins |
| heredity | the passing of traits from one parant to the offspring |
| stimulus | anything that affects the activity of an organism,organ or tissue |
| asexual reproduction | reproduction in which a singe parent produces offspring that genetically identical to the parents |
| sexual reproduction | reproduction in which two sex cells join to form a zygote, sexual reproduction produces offspring that share characteristics of both parents |
| metabolism | the combined chemical processes that occur in a living cell |
| producer |  organisms that make their own food, by using the sunlight to make sugar |
| consumer |  an organism that eats producers or other organisms for energy |
| decomposer |  an organism that gets energy by breaking down the remains of dead organisms or animal waste and consuming or abosuring the nutrients |
| protein | a biochemical that is composed of amino acids; its fuctions include regulating chemical reactions, transporting and storing materials, and providing suport |
| carbohydrate |  a biochemical that is composed of one or more simple sugars bonded together that is used to provide and store energy |
| lipid | a type of biochemical, including fats and oils, that does not dissolve in water; lipids store energy and make up cell membranes |
| phospholipid | a type of lipid molecule that forms much of a cell's membrane |
| nucleic acid | a biochemical that stores infgromation needed to build proteins and other nucleic acid; made up of sub uints called nucleotides |
| ATP | adenosine triphosphate; the molecule that provides energy for a cell's actvities |