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| all non living parts of an ecosystem including air, water and soil, temperature |
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| a change in speed or direction ; dependis of mass and force pushing or pulling the object |
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| damaging acidic raian or snow formed by gasses release into the world |
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| any characteristics of an organism a body shape, body process, or behavior, that helps to survive in its environment and carry out life processes. |
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| a different form a gene may have for a specific trait; like eye color, hair color, nose shape |
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| a small precise tool htat is used to measure mass of an object. |
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| a device that convects internally stores chemical energy into electric current |
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| a type of sedimentary rock such as coal or limestone, corn from dead organic matter that piled up and was compressed into rock over millions of years |
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| breeding of a endangered species in captive in order to build up the number of individual in a population |
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| the smallest unit of life and living things |
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| the flexible structure that holds a plant or animal cell together. give its shape |
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| the change of materials into other new materials with different properties |
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| organism such as bacteria or fungi that feeds on dead organisms and the waste material of other organisms |
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| a physical property of matter that can be found by dividing the mass of material by its volume |
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| process in which rivers and streams change earth by dropping sediments |
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| all of the changes that take place during an organism's life |
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| battery powered electricity that travels in only one direction |
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| the shaking of earth produced when certain movements occur along a fault and quickly released energy |
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| an event happens when a moon passes between the sun and earth(a solar eclipse)or earth passes between the sun and the moon(a lunar eclipse) producing a shadow |
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| a scientist who studies the interactions of organisms in their environment |
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| the of all the interactions between living and nonliving parts of an ecosystem |
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| a working unit made up of organisms interacting with each other and with nonliving factors |
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| a feature of earth's crust where plates rub against each other and build up energy that is released in waves during an earthquake |
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| a group of stars gases and dust held together by gravity |
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| a rare and,precious mineral that is clear,with no blemishes or cracks,and that can be cut and polished,making it ideal for jewelry |
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| a small section of a chromosone that determines a trait,genes control all the traits of all organisms and provides all the information for the growth and life of species |
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| a machine that changes mechanical energy into electric power |
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