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