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CELLS

CELLS. Organism – any living thing Cell – the smallest unit of living things that can carry out basic life processes Life processes include Reproduction Movement Respond to environment Need nutrition Eliminate waste Grow. Cell Theory. All living things are made of cells.

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CELLS

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  1. CELLS

  2. Organism – any living thing • Cell – the smallest unit of living things that can carry out basic life processes • Life processes include • Reproduction • Movement • Respond to environment • Need nutrition • Eliminate waste • Grow

  3. Cell Theory • All living things are made of cells. • Cells are the smallest unit of life (They are alive!) • Cells come from cells Based on the work of Scleiden, Schwaan, and Virchow.

  4. The Animal Cell • Cell membrane – layer around outside of cell, gives cell shape, controls what goes in and out • Cytoplasm- gel-like substance that other organelles float in • Nucleus – cell’s control center • Mitochondria- supply energy to cell, break down food • Vacuoles- membrane covered structures used to store food, water, & waste

  5. The Plant Cell • Contains many of the same organelles as animal cells, but is more box like. • Cell wall- stiff structure outside of the cell membrane that gives support • Vacuole – single large vacuole • Chloroplast – contains chlorophyll which converts energy from the sun into food for the plant

  6. Organization of Cells • Tissue – formed from cells of the same type • Organs- formed from tissues of the same type • Organ system – organs that work together to perform a certain function http://www.rojo5th.net/flash/ciencia/chapter1/G5_C1_p40.swf

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