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Biology Terms 9th grade level secons 1-1 to 1-2

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Term
Definition
Biosphere   All living things and all the places they are found on the Earth.  
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Biodiversity.   The variety of organisms in a given area. Increases at the equator.  
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Species   A group of organisms that are closely related and can produce fertile offspring.  
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Biology   Often called life science, Biology is the scientific study of living things and their interactions with their environment.​  
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Science   The knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested.  
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Organism   Any living thing.  
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Cell   The basic unit of life.  
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Metabolism   All of the chemical processes that build up or break down materials.  
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DNA   The genetic material that contains the information that determines inherited characteristics is a molecule, in other words, called deoxyribonucleic acid which is another name for DNA.  
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Ecosystem   A community of organisms and their physical environment.  
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Homeostasis   The maintenance of constant internal conditions in an organism.  
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Adaptation.   An inherited trait that gives an advantage to individual organisms and is passed on to future generations.  
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Scientist   A person who works with a good deal of people. They can be on the field jobs, not just in labs. They apply thinking to solve problems, observe the world, and ask questions.  
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Molecules   Groups of atoms  
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Population   A group of organisms of one type that live in the same area  
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Community   Population that lives together  
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Ecosystem   A community and it’s surrounded area  
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Uniceller   A single cell organism  
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Multiceller   Organisms that are made up of one or more cells  
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Responsiveness   Single to which an organism responds to their external environment.  
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Reproduction   Cells from two different parents unite from first cell of new organisms.  
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Asexual Reproduction   Single parent produces offspring identical to its self.  
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Differentiation   Cells look different to preform different task during growth.  
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Heredity   When an organism reproduces, it passes its own trait to its offspring.  
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