Biology

Zhiyu W. (China)
72 words 198 learners

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Full list of words from this list:

words only definitions & notes
  1. amino acid
    organic compounds containing an amino group and acid group
  2. amphibian
    cold-blooded vertebrate living on land but breeding in water
  3. antibody
    a protein that produces an immune response
  4. bacteria
    single-celled organisms that can cause disease
  5. biodiversity
    the variety of plant and animal life in a habitat
  6. camouflage
    an outward semblance misrepresenting the nature of something
  7. cannibalism
    the practice of eating the flesh of your own kind
  8. carnivore
    a terrestrial or aquatic flesh-eating mammal
  9. cell
    the basic structural and functional unit of all organisms
  10. cell membrane
    a thin membrane enclosing the cytoplasm of a cell
  11. cell wall
    a rigid layer of polysaccharides enclosing a plant membrane
  12. chromosome
    a threadlike strand of DNA that carries genes
  13. cytoplasm
    the substance inside a cell, not including the nucleus
  14. digestion
    the process by which the body breaks down food
  15. dinosaur
    an extinct terrestrial reptile of the Mesozoic era
  16. disinfection
    treatment to destroy harmful microorganisms
  17. diving
    a headlong plunge into water
  18. endangered species
    a species whose numbers are so small that the species is at risk of extinction
  19. entomology
    the branch of zoology that studies insects
  20. extinction
    the state of being no longer in existence
  21. feed
    provide as food
  22. fermentation
    breaking down an organic substance, as sugar into alcohol
  23. fungus
    a spore-producing organism that lacks chlorophyll
  24. gene
    part of DNA controlling physical characteristics and growth
  25. genetic
    relating to the study of heredity and variation in organisms
  26. genetic engineering
    the science of changing the DNA of organisms
  27. genetics
    the study of heredity and variation in organisms
  28. habitat
    the type of environment in which an organism normally lives
  29. hatch
    a movable barrier covering an entrance
  30. heredity
    the transmission of genetic factors to the next generation
  31. immunity
    the condition in which an organism can resist disease
  32. immunology
    the study of how the body protects itself from infections
  33. infection
    the invasion of the body by pathogenic microorganisms
  34. ingestion
    the process of taking food into the body through the mouth
  35. insecticide
    a chemical used to kill bugs
  36. mammal
    a warm-blooded vertebrate having the skin covered with hair
  37. marine
    of or relating to the sea
  38. metamorphosis
    striking change in appearance or character or circumstances
  39. microbe
    a minute life form, especially one that causes disease
  40. microbiology
    the study of very small forms of life
  41. microorganism
    any living thing that is too small to be seen with the naked eye
  42. mutation
    a change or alteration in form or qualities
  43. navigate
    direct carefully and safely
  44. nerve
    a bundle of fibers running to organs and tissues of the body
  45. nucleus
    a part of the cell responsible for growth and reproduction
  46. ornithology
    the branch of zoology that studies birds
  47. paleontologist
    a specialist in fossil organisms and related remains
  48. paleontology
    the earth science that studies fossil organisms
  49. plankton
    aggregate of small organisms that float or drift in water
  50. predator
    any animal that lives by preying on other animals
  51. prey
    animal hunted or caught for food
  52. protein
    an organic compound essential to living cells
  53. reptile
    a cold-blooded vertebrate including snakes and lizards
  54. respiration
    a single complete act of breathing in and out
  55. rodent
    a mammal having two pairs of ever-growing front teeth for gnawing
  56. scuba
    a device that lets divers breathe under water
  57. single-celled
    having a single cell (and thus not divided into cells)
  58. social
    living together or enjoying life in communities
  59. solitary
    not growing or living in groups or colonies
  60. specimen
    a bit of tissue or fluid taken for diagnostic purposes
  61. sterilization
    the procedure of making some object free of live bacteria or other microorganisms (usually by heat or chemical means)
  62. survival
    the state of remaining alive
  63. survival of the fittest
    a natural process resulting in the evolution of organisms best adapted to the environment
  64. tentacle
    a flexible appendage adapted for grasping or feeling
  65. tissue
    part of an organism consisting of an aggregate of cells
  66. toxin
    a poisonous substance produced organically
  67. transition
    the act of passing from one state or place to the next
  68. underwater
    beneath the surface of the water
  69. vaccine
    injection of weakened or dead microbes to create antibodies
  70. variation
    the process of being or becoming different
  71. virus
    infectious agent that replicates itself within living hosts
  72. yeast
    a single-celled fungus that reproduces asexually
Created on Thu Jun 02 01:05:56 EDT 2011 (updated Thu Jun 02 01:06:38 EDT 2011)

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