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31 Cards in this Set
- Front
- Back
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composed of many cells
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MULTICELLULAR
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composed of one cell
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UNICELLULAR
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examples of biotic factors
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plants, trees, bacteria, etc.
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a group of organs that function together
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ORGAN SYSTEM
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nonliving factors
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ABIOTIC
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the science that seeks to understand the living world
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BIOLOGY
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a pattern of growth and change that occurs over the organisms lifetime
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LIFECYCLE
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examples of unicellular organisms
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BACTERIA
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when two cells from different parents unite to form the first cell of a new organism
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SEXUAL REPRODUCTION
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examples of abiotic factors
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WATER, SUNLIGHT, AIR, ROCKS, etc.
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all the chemical reactions in an organism
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METABOLISM
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order of organization within a multicellular organism, from smallest to largest
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cell, tissue, organ, organ system
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order of organization beginning with organism, from smallest to largest
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ORGANISM, POPULATION, COMMUNITY, ECOSYSTEM, BIOME, BIOSPHERE
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when a new organism has a single parent that divides to form two organisms
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ASEXUAL REPRODUCTION
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ability to maintain a stable internal environment
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HOMEOSTASIS
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a community and its non-living surroundings
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ECOSYSTEM
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a group of cells that function together
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TISSUE
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an increase in size or amount of living material
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GROWTH
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the process of organisms producing new organisms
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REPRODUCTION
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any condition in an organisms environment that causes a response
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STIMULUS or STIMULI
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a reaction to a stimulus
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RESPONSE
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all ecosystems
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BIOSPHERE
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the smallest functional unit of life
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CELL
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7 characteristics of living things
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1. cells
2. reproduction 3. DNA 4. life cycle (growth/development) 5. metabolism 6. response to stimulus 7. homeostatis |
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universal genetic code
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DNA
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living factors
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BIOTIC
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a single living thing
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ORGANISM
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populations that live together in a defined area
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COMMUNITY
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a group of organisms of the same type that live in an area and can interbreed
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POPULATIOn
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smallest unit of an organism considered to be alive
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CELL
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a group of tissues that function together
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ORGAN
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