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Cards In This Set
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Biology
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The scientific study of life at various levels of organization
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Biologists ask what sort of questions
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- how a single cell develops into an organism- how the human mind works- how living things interact in communities
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Life is studied at what?
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Different levels of organization
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Biosphere
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Consist of all life on Earth and all the places where life existsEX: regions of land, bodies of water
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Ecosystems
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Consist of all the living things in a particular area, along with all the nonliving components with which life interactsEX: deciduous forest
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Communities
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The entire array of organisms inhabiting a particular ecosystemEX: the community in our forest consists of trees and other plants, and carious animals
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Populations
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All the individuals of a species living within the bounds of a specified areaEX: Ontario forest includes a population of sugar maple trees and a population of white tailed deer
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Organisms
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Individual living thingsEX: maple tree
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Organs and organ systems
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- organ: body part that carries out a particular function in the bodyEX: heart
- organ systems: team of organs that cooperate in a larger functionEX: the human digestive system includes tongue, stomach and intestines |
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Tissues
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Made up of a group of cells that work together performing a specialized functionEX: muscle tissue
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Cells
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Life's fundamental unit if structure and functionEX: amoeba (single cell)
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Organelles
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The various functional components present in the cellEX: chloroplasts
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Molecules
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A chemical structure consisting of two or more small chemical units called atomsEX: chlorophyll
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Levels of biological organization
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 Levels of biological organization |
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Living organisms and their environments form what?
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Interconnecting webs
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