Environmental science exam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What does the lake or ocean effect have on temperature or climate in general? | There is more precipitation and temperature generally stays more stable, water helps hold the temperature where it is
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| Know the difference between primary succession and secondary succession. Where can it occur? Why is is so much slower than the other? | primary - occurs when new ecosystem develops where there was none before (why it takes longer); located in any open land, Secondary occurs following disruption of an existing ecosystem (such as a fire), doesn't take a long because soil is already in place
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| Know the difference between eutrophic and oligotrophic | eutrophic - full of algae and nutrients (green), oligotrophic - clear, low in nutrients
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| What is the difference between streams and rivers? | stream - narrow channels of water often beginning in mountainous areas; river - larger body of water (a stream forms a river)
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| Characteristics of a developed and developing countries | developed: high income, high life span, lower population growth; developing: low income, lower life span, higher population growth
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| Discuss and understand the tragedy of commons | area that belongs to no individual; shared by the entire society (air, oceans)
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| Renewable resource | it can be replenished within a human lifetime (trees, grass)
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| nonrenewable resource | can be used up within a lifetime (coal or oil)
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| Discuss why it's important for scientific studies to be published and reproducible | It needs to be published so it can be shared with the world. It needs to reproducible so that it can be proven
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| Why is having a larger sample size better than a smaller one? | the larger the sample size the more reliable the results will be
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| What is the difference between a blind and a double-blind experiment? | in a blind it is conducted so the subjects don't know which is the control and which is the experimental group. The double-blind prevents both the scientist and the subjects from not knowing which is the control or which is the experimental group
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| Which experiment prevents bias? | double-blind because neither the subject nor the scientist know
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| What factors influence life expectancy? | fertility rate and gross domestic product (GDP)
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| What are some biogeochemical cycles (list some) | Water cycle, carbon cycle, nitrogen cycle
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| Label an atom with protons, neutrons, and electrons |
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| protons | located inside the nucleus
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| neutrons | located inside the nucleus
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| electrons | live outside the atoms, orbits the nucleus
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| What three wavelengths are found in sunlight? | ultraviolet -damages skin tissue, visible - range of wavelengths seen by eyes, and infrared - heat energy
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| What wavelengths are used specifically for photosynthesis | everything but green
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| Which two classification taxa are used to define a species' scientific name? | Genus species
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| Why is having a scientific name so important? | it is the universal term known world wide
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| predator-prey | one organism consumes the other ex: cat and mouse
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| Intraspecific competition | competition that occurs within members of the same species
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| Interspecific competition | competition that occurs between different species ex: for water, territory
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| Mutualism | Relationship that benefits both organisms
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| Commensalism | one organism benefits and the other is neither harmed nor helped
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| Parasitism | one organism benefits at the expense of the other
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| Describe the differences between natural and artificial selection | natural - something that happens in nature, artificial - taken two different breeds and merged them together
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Created by:
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