Life Common Assessment CBA

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veiwsonic2
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155295
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Life Common Assessment CBA
Updated:
2012-05-24 16:35:14
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Life Common Assessment CBA Science School 52212 52512
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Use these to study. Made: 5/22/12 CBA: 5/25/12
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  1. What does an organism's habitat provide?
    Food, water, shelter, and other things necessary for it to live, grow, and develop.
  2. What is a biotic factor? (definition)
    A living part of an organism
  3. What is an abiotic factor and what are the 4 major ones?
    An abiotic factor is a part of an ecosystem that is non-living
  4. Water
    • Sunlight
    • Oxygen
    • Temperature
  5. What is an organism?
    A living thing that has the 6 characteristics of all living things, and the 4 needs of all living things
  6. What is a species?
    Organisms that share characteristics (all of em)
  7. What is a population?
    A bunch of a certain species in one place
  8. What is a community?
    A bunch of different species living together
  9. What is an ecosystem?
    A bunch of species living together with all the abiotic factors
  10. What is photosynthesis?
    It is when an organism takes in sulight {through its leaves usually} and turns it into energy/food.
  11. What are adaptations?
    Adaptaions are things organisms acquire in order to be naturally selected and stay alive.
  12. What are the three kinds of relationships in an ecosystem? (Not the subcategory)
    Competition, predation, and symbiosis.
  13. What are the three kinds of symbiosis? (subcategory)
    • Mutualism - where both orgasisms benefit
    • Commelsialism - when one organism benefits but the other is not hurt
    • Parasitism - when one organism benefits and the other is hurt
  14. What is a parasite?
    The organism that benefits in parasitism
  15. What is a host?
    The organism that supplies the parasite and gets hurt in parasitism
  16. What is primary succession?
    When a place that had no organisms before it was disturbed but organisms like moss and lichens come in and then they die out to make way for better soil for better, more complex organisms.
  17. What is primary succession?
    When a place had organisms, it got diturbed, but then moss and lichens come back, die out and make the soil more fertile for more complex organisms et cetera.
  18. What are the moss and lichens called that started primary and secondary succession?
    The pioneer species.
  19. What are the three energy roles?
    Producers, consumers, and scavengers
  20. The movement of energy through an ecosystem can be shown in what?
    A food web or a food chain
  21. The amount of avalible energy from energy level to the next is called a what?
    An energy pyramid.

    (A food pyramid is WRONG)
  22. What is an herbivore?
    an organism that eats only plants
  23. What is a carnivore?
    An organism that eats only meat
  24. What is an omnivore?
    An organism that eats both plants and meat.
  25. What is a scavenger?
    An organism that eats only dead animals.
  26. What makes the Rainforest biome different from others?
    Temperate has more than 300 cm of rain, and has moderate temperatures. Tropical is warm and very humid. They have huge trees like cedars, redwoods, and douglas firs, mule deer an pileated wood pecker are some of the fauna.
  27. What makes the Desert different from other biomes?
    It has less than 25 cm a year, very hot at day, cold at night, contains roadrunners, red tailed hawks, saguaro cacti, a bit of grass, scattered shrubs, gila monsters, and gambel's quail.
  28. Grasslands are different from other biomes how?
    They have up to 120 cm of rain a year, warm, humid, and/or temperate climate, small plants, and like Lion King animals.
  29. How is the Deciduos Forest Biome different?
    At least 50 cm of rain a year, cool mornings with warm days, deciduous treed, grass, and other plants around here. birds, skunks,red foxes, white-tailed deer, and other typical animals here.
  30. How is the Boreal Forest/ Taiga Biome different?
    Spruce, fir, coniferous, and hemlock trees, red squirrels, lynxes, finches, chickadees, moose, beavers, owls, 12 to 33 inches of rain a year, cool temperatures. THINK: Vermontish
  31. How is the Tundra different?
    Little rainfall, very cold, sparse dwarf trees, mosses/grasses, permafrost, caribou, foxes, arctic hares, wolves, caribou, and musk ox.

    THINK: Mrs. Adjus's picture
  32. How can humans threaten biodiversity?
    Habitat destruction, ppoaching, pollution, and introduction of exotic species.
  33. How to protect biodiversity...
    Captive breeding, laws and treaties, and habitat preservation.
  34. What is extinction?
    When all the members of a certain species are wiped out
  35. What is an endangered species?
    One that is in danger of becoming extinct
  36. What is a threatened species?
    One that is threatened to become endangered

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