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estelle ch. 2

review for chapterr 2 p 36-47

QuestionAnswer
All living thingss have these Cells
What is a membrane covered structure that contains all of the materials necessary for life & has DNA & cytoplasm? Cell
What is anything that changes the affects of the activities of an organism? Stimulus
What do your nerve & muscle cells do? transport signals & your muscle cells are specialized for movement
What is the aintenance of a constant internal state in a changing environment? homeostasis
What temperature does your body maintain? 37 degrees celcius
What are some ways your body can respond? shivering when your cold & sweating when you get hot
What is your body trying to do when it sweats or shivers? return itself back to normal
What is the reproduction of sex cells from 2 parents unite & produces offsrping that share traits of both parents? sexual reproduction
what is reproduction that doesnt involve the union of sex cells & the offspring is identical to one parent? asexual reproducton
what is the passing of genetic traits from parent to offspring? heredity
what is deoxyribonucleic acid? DNA
What is the total of all chemical activities that the organism performs? metabolism
what happens when a single celled organism grows during their life period? the cell gets larger & then divides making other organisms
what percent of yur body is made of water 70%
what are the basic needs of an organism? water, air, food, & a place to live
what is air a combination of? oxygen & carbon dioxide
What is green organisms change energy in sunlight to b=energy stored in food? photosynthesis
what might happen because space on earth is limited? there will be competition for necessities
what is an oragnism that can make its own food producer
whats an organism that eats other organisms consumer
what arr organisms that get their food by breaking down nutrieunts in dead organisms decomposers
what is a frog & what is a mushroom frog-consumer mushroom-decomposer
whats a substance made of 2 or more atoms combined? molecule
what are large molecules that are made of amino acids proteins
what protein starts & speeds up chemical reactions enzyme
what are molecules made up of sugar carbohydrate
what are you eatingf when yur eating a mashed potatoe potaoe plants stored starch
what are compunds tht cannot mix with water lipids
what are molecules tht form much of the cell membrane? phospholipids
what is differnece & similarities of fats & oils they are lipids that store enrgy & fats are solid & oils are liquids at room temp
what is major carrying molecule in a cell ATP
Created by: estellee(:
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