Ecology Test Review

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Author:
anitaebrahimi
ID:
274482
Filename:
Ecology Test Review
Updated:
2014-05-15 02:02:57
Tags:
Ecology Biology mierda
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Ecology Test Review
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  1. Carbon Cycle

    in what state of being do plants obtain Carbon dioxide? and when do they release it?
    What happens to the remaining of the carbon dioxide?
    What happens to the CO2 the was obtained?
    What creates more carbon dioxide?
    • Plants obtain carbon dioxide during photosynthesis and release a little bit into the atmosphere during cellular respiration.
    • The remaining of the CO2 is either released into the air or creates fossil fuels.
    • The CO2 inside the plant is the body of the plants itself.
    • Factories that burn limestone, and plants that release it in the atmosphere

  2. Type of nitrogen that cannot be used.
    How are these types of nitrogens 'Fixed"?
    what breaks down the bonds?
    • Nitrogen gas (gaseous nitrogen)
    • Nitrogen Fixing bacteria and lightening
    • Nitrogenase
  3. Water Cycle

    moves in clouds-
    rains-
    goes to ocean-
    heat steams ocean water up to clouds-
    • condensation
    • precipitation
    • Run off
    • evaporation
  4. Succession

    Primary-
         pioneer species-

    Secondary-

    Liken-
    twilight population-
    primary- When organisms populate an area for the first time (sometimes after a super duper disaster that wiped them out)

    Pioneer species: those first species

    • Secondary- Small disturbance that doesn't take too long to bring back species
    • ex. Floods 

    • Liken- breaks down rocks to soil
    • Twilight population- stays there until disaster happens.
  5. xylem:
    Phloem:
    • Transports water
    • Transports nutrients and sugar
  6. Difference in plant cell walls and nonplant cell walls
    • Cell Wall -> With Kyten -> Not a Plant
    • Cell Wall -> Cellulose -> Plant
  7. Where do Nitrogen fixing bacteria live?
    • Legumes- ex.
    • Peanuts
    • soybeans
    • clovers
  8. symbiotic relationships
    • commensalism- one benefits one not affected
    • Mutualism- both benefits
    • Paratism- on benefits while other harmed.
  9. Process of water transport in different weather conditions

    ex. desert
    Opens stomata only at night, so it doesn't need to absorb water from soil and prevents any inner water loss.
  10. Tap Roots VS. Fibrous roots
    • Tap roots- go straight down ex. carrot
    •  Fibrous roots- Spread out
  11. Ovules an pollen grains in plants exist because of ......
    meiosis
  12. Producers-
    Primary consumers-
    Secondary-
    Tertiary-
    detritivore-
    decomposer-
    • Producers- plants
    • Primary consumers- herbivores
    • Secondary- Carnivores
    • Tertiary- eat other carnivores and plants too (omnivores)
    • detritivore- eat dead stuff.
    • decomposer- breaks down organic matter
  13. Level of organization
    • Organism
    • Population
    • Community
    • Ecosystem
    • Biosphere
  14. know plant stuff

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