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Related Flashcards
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Cards In This Set
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What is a cell?
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Basic Unit of Life
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Approximately how many cells do you have in your body
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About 200
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What is a tissue?
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A group of cells that do the same job
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Name some tissues you have in your body
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fat, blood, muscle, nerve and etc.
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What is an organ?
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A group of tissues together that do the same job.
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Name some organs you have in your body.
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Heart, Brain, Lungs, Kidney and etc.
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What is an organ system?
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A group of organs that work together to do the same job.
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Name some organ systems you have in your body.
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Digestive, Respiratory, Nervous, etc.
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What is an organism?
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A living thing, made up of at least one cell.
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What is a unicellular organism? Give an example.
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Made of ONLY ONE cell, able to perform functions of living things. Ameba or Bacteria.
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What is a multicellular organism? Give an example.
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Made of Many cells that can ONLY survive by working together. People. Animals.
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What is a population. Give an example.
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A group of the same species in the same area. A flock of geese at the pond. Students at OMS.
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What is a community. Give an example.
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All living things in an area together. People, Animals, Grass, bugs, etc.
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What is an ecosystem? Give an example.
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All living and non-living things in an area. People, animals, buildings ,land, water, cars etc.
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Describe the Cell Theory (scientist in the 1800's) 3 parts.
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-all living things are made up at least 1 cell.-Cell is the basic unit of life.-All cells come from existing cells.
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