Biology: Quiz 1
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| Who developed Gram Staining in 1884? | Hans Christian Gram
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| Gram Staining is composed of what two parts? | primary crystal violet stain and counter safranin stain
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| What are the two major classes of bacteria? | Gram + (purple) and Gram - (pink)
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| Cell walls do what? | strength/stability and protection
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| How many methods in the gram staining process? | 3
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| study of life | biology
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| basic unit of life | organism
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| interaction of living and non-living; study of ecosystem | ecology
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| bare necessities of life | water, nutrients, and energy
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| How can organisms receive energy? | self produced or stolen
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| produce energy for the rest of the web of life | producers
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| primary consumers | herbivores (1*)
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| secondary consumers | carnivores (3*)
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| eat dead/decaying organisms | scavengers
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| return nutrients to soil and get energy from the sun; complete the movement of matter; without these, soil would be nutrient free | decomposers
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| the sun provides almost all of this to Earth as light | energy
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| light energy ---> chemical energy (sugars) | photosynthesis
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| a complex interaction to food chains | food web
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| energy moves with arrows; matter stores energy (sugars, fats, proteins) | matter and energy
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| community and abiotic enviroment in a specific area | ecosystem
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| all ecosystems in the world | biosphere
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| an organism's role in a community (defined by what it eats, what eats it, etc.) | niche
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| location that an organism lives | habitat
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| bear eats slamon | direct interaction
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| throw away plastic ring -> ring ends up in ocean -> animal gets trapped in it -> animal is seriously injured/dies | indirect interaction
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| relationships are not always equal | community interactions
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| prey harmed to benefit predator | predator-prey
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| parasite injures the host to get nutrients; parasite may weaken or kill host | parasite interactions
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| one example of symbiosis | parasitism
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| 2 or more organisms live in direct physical contact | symbiosis
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| example of symbiosis | lichens
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| microscopic producers provide energy | lichens
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| consumers provide nutrients to producers | algae
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| mutually beneficial | relationship
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| allows balance to be maintained; harder for individuals to access resources | communal benefits of competetion
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| too many grasshoppers -> less marsh grass live and snails to die out -> snakes have less food | excessive competition
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Created by:
jbewley1
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