Biology Terms

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Biology Terms
2012-09-12 14:56:01

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  1. Biology
    The study of life
  2. Science
    process used to solve problems or develop an understanding of repetitive natural events
  3. observation
    the process of using the sences or extensions of the senses to record events
  4. Hypothesis
    a possible answer to or explanation for a question that accounts for all the ovserved facts and that is testable
  5. Experimental Group
    the group in a controlled expirence and that has a variable manipulated 
  6. control group
    the situation used as the basis for the comparison in a controlled experiment. the group in which there is no manupulated variables
  7. theory
    a widely accepted plausible generalization about fundamental concepts in science that is supported by many experiments and explains why things happen in nature
  8. bionomoal system of nomenclature
    a naming system that uses two latin names, genus and specific epithet, for each species or oranisms.
  9. linneaus
    a swedish doctor and botanist originatred the odern system of taxonomy system of tazonomy known as the bionomial nomenclature
  10. Class
    a group of closely related families within a phylum
  11. family
    a group of closely related genera within an order
  12. Genus
    a group of closely related species within a family
  13. Kingdom
    a classification category larger than a phylum and smaller than a domain
  14. Order
    a group of closely classes within a phylum
  15. Phylum
    a subdivison of kingdoms
  16. Taxonomy
    the science of classifying and naming organisms
  17. Bacterial Conjugation
  18. Bacteriaphage
    (look up)
  19. Microorganism
    a small organism that can not be seen without maginification
  20. Prion
    infectious protein particals respincible for desiese such as bovine spongiform encephalitis`
  21. Prokaryotic Fission
  22. Viroid
    an infectious particle compised solely of single stranded RNA
  23. Virus
    a nucleic-acid particlecoared with protein that functions as an obligate intrra cellular parasite
  24. autotroph
    orgamisms that are able to make their food molecules from inorganic raw materials by using basic energy sources, such as sunlight
  25. Heterotroph
    organisms that require a source of organic material from their enviorment, they can't produce food on their own
  26. Protozoana
    hetertrophic, eukaryaryotic, unicellular organisms
  27. Euglenoid
  28. Green Algae
    • 7,000 Species
    • `Resemble plants
    •  -Starch grains in chloroplasts
    • -cell walls of cellulose pectins
  29. Red Algae
    • phylum Rhodophyta
    • -4100 species
    • -most abundant in tropical seas
    • - can grow at great depths
    • - complex life cycles, may include different forms
  30. brown Algae
    • Phylum Phaeophyta
    • -1500 species
    • -most abundant in temprate seas
    • -varity in sizes
    • -
  31. Club Fungus
  32. Decomposer
    organisms that use dead organic matter as a sourse of energy
  33. Fungus
    The common name for members of the kingdom Fungi
  34. Hyphae
  35. Lichen
    an orgamism comprised of a fungus and an alga protist or a cynaobacterium excisting in a mutulistic relationshop
  36. mushroom
    fingi that has spores located underneath the ground
  37. Mutaulism
    a relationship between two orgnisms in which both benefit
  38. mycorrihiza
    symbiotic relationship between fungi and plant roots
  39. Sac fungi
    • Most Diverse group
    • -30,000 species
    • -produce a sexual spores in sac shaped cells called conida
    • - multicelled species form reproductive structers called ascocaprs that enclose asci
  40. Saprobe
  41. Symbiosis
    a close physical relationship between two kinds of organisms, parasitism, commensalism, and mutualism are exapmls
  42. zygomycetes
    cell that result from the union of an egg and a sperm
  43. Angiosperm
    plants that produce flowers, seeds and fruit
  44. bryophyte
    • non vascular plant
    • -fewer than 19000 species
    • lack specialized means of transporting water and organic nutrients
  45. Conifer
  46. Dicot
    a angiosperm whose embryo has two seed leaves
  47. Fern