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13 Cards in this Set

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Emergent Properties
Properties or traits that have risen or emerged
Cells
the subunit of organism, the units of life
Multicellular organims exhibit three structural levels ABOVE the cell
tissues, organs, and organ systems
population
group of organims belonging to the same species
biological community
populations of several species in the same area
ecosystem
when populations interact with their physical enviroment
novel properties
novel properties emerge at each step upward in the biological hierarchy
Reductionism
reducing complex systems to simpler components, is a powerful strategy in biology
Robertu Hooke
in 1665 looked at cells on a cork
Anton van Leeuwenhoek
first saw single celled organism in pond water and observed cells in blood and sperm
Matthias Schleiden and Theodor Schwann
extrapolated from their own microscopic research and that of others to propose cell theory
cell theory
cell theory postulates that all living things are made up of cells
Extended cell theory
-extended to include the concept that all cells come from other cells
-new cells are produced by division of exisitng cells, the critical process in reproduction, growth and repair of multicellular organims.