Biology3 ch1

  1. atom
    fundamental building block of all matter
  2. biology
    systematic study of life
  3. bioshere
    all regions of Earth where organisms live
  4. cell
    smallest unit of life
  5. community
    all populations of all species in a given area
  6. ecosystem
    a community interacting with its environment
  7. emergent property
    a chacteristic of a system that does not appear in any of the system's component parts
  8. molecule
    an association of two or more atoms
  9. nature
    everything in the universe except what humans have manufactured
  10. organism
    individual that consists of one or more cells
  11. population
    group of individuals of the same species that live in a given area
  12. consumer
    organism that gets energy and carbon by feeding on tissues, wastes, or remains of other organisms
  13. developement
    multistep process by which the first cell of an individual becomes a multicelled adult
  14. DNA
    deoxyribonucleic acid; molecule that carries hereditary information about traits
  15. energy
    the capacity to do work
  16. growth
    increases the number, size, and volume of cells in multicelled species
  17. homeostasis
    set of processes by which an organism keeps its internal conditions within tolerable ranges
  18. inheritance
    transmission of DNA from parents to offspring
  19. nutrient
    substance that an organism needs for growth and survival, but cannot make for itself
  20. producer
    organism that makes its own food using energy and simple raw materials from the environment
  21. receptor
    molecule or structure that responds to a specific form of stimulation
  22. reproduction
    process by which parents produce offspring
  23. animal
    multicelled consumer that develops through a series of embryonic stages and moves about during part or all of the life cycle
  24. archaean
    a member of the prokaryotic domain Archaea
  25. bacterium
    a member of the prokaryotic domain Bacteria
  26. critical thinking
    mental process of judging information before accepting it
  27. eukaryote
    organism whose cells characteristicly have a nucleus
  28. fungus
    type of eukaryotic consumer that obtains nutrients by digestion and absorbtion outside the body
  29. genus
    a group of species that share a unique set of traits
  30. plant
    a multicelled, typically photosynthetic producer
  31. prokaryote
    single celled organism in which the DNA is not contained in a nucleus
  32. protist
    diverse group of simple eukaryotes
  33. science
    systematic study of nature
  34. species
    a type of organism
  35. hypothesis
    testable explanation of a natural phenomenon
  36. name 2 prokaryotes
    • bacteria
    • archaea
  37. name 4 eukaryotes:
    • plants
    • animals
    • protist
    • fungi
Card Set
Biology3 ch1
Biology3 ch1