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47 Cards in this Set
- Front
- Back
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organism
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a living thing
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cell
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The bacis unit of structure and function is an organsism
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unicellular
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made of one cell
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multicellular
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made of many cells
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growth
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an organism physialy gets larger
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development
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organism becomes more complex
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stimulus
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a change in an organisms surroundings that cause the organism to react
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responce
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an organism reacts to a stimulus
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reproduction
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the ability to produce offspring that is simalar to the parents
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spontanious generation
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living things come from nonliving sources
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abiogenesis
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spontanious generation
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controlled experiment
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is an experiment where at least 2 substances are being used as an experiment. The controlled experiment where nothing done to it
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manipulated variable
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part of experiment where something is done to a substance
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autotrophs
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organism makes it own food
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heterotrophs
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organism can't make its own food and goes out and gets its own food
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magnification
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the abilitiy to make thingslook larger than they are
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resolution
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the ability to clarly distinguish the indivtual parts of an object
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nucler membrane
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it protects the nucleus
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necleus
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the control center of a cell
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cromatine
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genetic matiriel in thye nucleus
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lysosomes
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a small round cell structure that contains chemicals that break down large food particles into smaller ones
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eukaryote
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an organism with cells that contain neclei and other cell structures
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prokaryote
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an organism whose cells lack a nucleus and some other cell structures
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cytoplasm
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the area between the cell membrane and the nucleus and the leargest part of the cell carbohydrates
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necleic acids
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a very large organic molecule made of carbon, oxygen, hydrogen, nitrogen, phosphorus, that contains instructions that cells need to carry out all the functions
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protein
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large organic molecules made of carbon, hydragen, oxygen, nitrogen, and sometimes sulfur; they are needed for tissue growth and repair and play a partin chemicalsreactions within cells
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louis pasteur
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disproved sontanious generation by making a experiment with broth
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Francesco Redi
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Disproved spontainis generation with the fly expeiment
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anerobic
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with out air
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arobic
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with air
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Dr.operin
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thery that life started as one cell in water
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Harold
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showed that dr operinthery was posible
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stanley miller
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showed that dr operinthery was posible
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homeostasis
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the process by which an organisms internal environment is kept stabel inspite of changes
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mitochondria
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they are the powerhouse of cell because they contain the energy of the cell needs
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endoplasmic reticulum
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these are passage ways in a cell that carry materials from one part of a cell to another
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ribosomes
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chemical factories that produce protiens
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golgi bodies
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the cells mail room of the cell because it packages material like protiens and distributes them to the other part of the cell
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chloroplasts
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they capture energy from sunlight and turn it into food
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vacuoles
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the storage area of the cell that can contain food water and other chemicals
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fossals
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traces of ancient organisms found in rocks
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simple microscope contains
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contains only one lense
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compound microscope
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has 2 or more lenses
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cell wall
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a rigid layer of non-living material that surrounds a plant cell and protects plant cells
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cell membrane
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the outer fence of a cell
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nucleous
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it is in the nucleus that ribosomes are produced
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cytoplasm
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the area between the cell membrane and the nucleus and is the largest part of the cell
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