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Ransom Ch 2 vocab
ransom ch 2 vocab
word | definition |
---|---|
stimulus | anything that affects the activity of an organism |
homeostasis | the maintenance of a stable internal environment |
asexual reproduction | a single parent produces offspring that are identical to the parent |
sexual reproduction | two parents produce offspring that share characteristics of both parents |
DNA | hereditary material that controls all the activities of a cell, contains the info to make new cells, and provides instructions for making proteins |
metabolism | the total of all the chemical activities that the organism performs |
producers | produce their own food by using sunlight |
consumers | eat other organisms or producers to get food |
decomposers | get food by breaking down the nutrients in dead organisms or animal wastes |
proteins | large molecules made up of subunits called amino acids |
carbohydrates | a group of compounds made of sugars |
lipids | compounds that store energy and form membranes of cells |
fats and oils | a type of lipid that stores energy |
phospholipids | a type of lipid that forms most of a cell membrane |
nucleic acids | compounds made up of subunits called nucleotides |
ATP | the major fuel used for all cell activities that require energy |
heredity | the passing of traits from parent to offspring |