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:the smallest and most basic unit of life
:the fundamental building block of all living things |
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:What larger organisms, such as monkeys and oak trees, are made up of |
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DNA
deoxyribonucleic acid |
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:hereditary, or genetic, material that transfers information from parents to offspring |
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:a process where organisms maintain remarkably constant internal conditions |
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:change in groups of organisms over time
:change in genetic material or DNA |
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:consists of all organisms that can interbreed to produce fertile offspring, but that do not, or cannot, breed with other organisms |
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:groups of species that live and interact with one another |
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:features that are advantageous in the struggle to survive and to reproduce |
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:not made up of cells
:consisting of just a strand of hereditary blueprint that is wrapped in a coat of molecules known as proteins
:can pass DNA or RNA (ribonucleic acid)
:nonliving |
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:how the levels of life are organized |
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:specialized,coordinated collections of cells that perform particular functions in the body |
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:body parts composed of different tissues that are organized to carry out specialized functions
:hearts and brains |
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organ system
(nervous system) |
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:groups of organs that work together
:stomach, liver, and intestines are part of the digestive system |
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:groups of organ systems work together for the benefit of a single individual |
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:the populations of different species that live and interact with one another in a particular area |
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:communities, along with the physical environments they inhabit |
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:large regions of the world that are defined on land by the plants who grow there and in water by the physical characteristics of the environment |
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:all the world's living organisms and the places where they live |
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:those that transform the sun's energy (in the form of light) into chemical energy in the form of sugars and starches |
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:organisms that eat either producers or other organisms whose energy ultimately derives from producers |
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:organisms that derive their sustenance from dead organisms or cast-off parts of living organisms |
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