Biology Ch. 1

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Author:
kberg412
ID:
102234
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Biology Ch. 1
Updated:
2011-09-16 22:59:06
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biology
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Biology Concepts & Connections
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  1. Biology
    The scientiic study of life.
  2. Biosphere
    All of the enviornments on Earth that support life.
  3. EcoSystem
    Consists of all the organisms living in a particular area, as well as the physical components with which the organisms interact, such as air, soil, water, and sunlight.
  4. Community
    The entire array of organisms in an ecosystem.
  5. Population
    All the individuals of a particular species living in an area.
  6. Organism
    An individual living thing.
  7. Organ System
    Consists of several organs that cooperate in a specfic function.
  8. Organ
    Made up of several different tissues and performs a specific function.
  9. Tissue
    Made up of a group of similar cells that perform a specific function.
  10. Cell
    The fundamental unit of life.
  11. Organelle
    A membrane-enclosed structure that performs a specific function in a cell.
  12. Molecule
    A cluster of small chemical units called atoms held together by chemical bonds.
  13. Emergent Properties
    New properties that arise with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases.
  14. Prokaryotic Cells
    A type of cell lacking a membrane-enclosed nucleus and other membrane-enclosed organelles; found only in doains Bacteria and Archaea.
  15. Eukaryotic Cell
    A type of cell that has a membrane-enclosed nucleus and other membrane-enclosed organelles. All organisms except bacteria and archaea are composed of eukaryotic cells.
  16. Systems Biology
    The cutting edge of large-scale research today.
  17. Genes
    The units of inheritance that transmit information from parents to offspring.
  18. Domains
    A toxonomic category about the kingdom level. The three domains of life are rchaea, Bacteria, and Eukarya.
  19. Bacteria
    One of two prokaryotic domains of life, the other being Archaea.
  20. Archaea
    One of two prokaryotic domains of life, the other being Bacteria.
  21. Eukarya
    Domain of life that includes all eukaryotes.
  22. Evolution
    The idea that living species re descendants of ancestral species that were different from present-day ones; also, the genetic changes in a population from generation to generation.
  23. Natural Selection
    A process in which individuals with certain inherited traits are more likely to survive and reproduce than are individuals that do not have those traits.
  24. Inductive Reasoning
    Collecting and analyzing observations can lead to conclusions based on a type of logic.
  25. Hypothesis
    A proposed explanation for a set of observations.
  26. Deductive Reasoning
    A type of logic in which specific results are predicted from a general premise.
  27. Theory
    A widely accepted explanatory idea that is broader in scope than a hypothesis, generates new hypoteses, and is supported by a large body of evidence.
  28. Controlled Experiment
    An experiment in which an experimental group is compared with a control group that varies only in the factore being tested.
  29. Technology
    The application of scientific knowledge for a specific purpose, often involving industry or commerce but also including uses in basic research.

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