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72 Cards in this Set
- Front
- Back
What are some issues with hydroelectric?
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dams impact on enviro, displace people,end species
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What is the current major use of coal?
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to generate electricity
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How does a population remain constant?
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2 people must repoduce themselves (birthrate=deathrate)
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What are some early sources of energy ? And what type of sources are they?
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human, animal,wood,wind,water are all renewable sources of energy
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What is the current major use of oil?
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in trasportation.
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What are some functions of and ecosystem?
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production, respiration,H2O cycle, decomposition
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What are some reasons for distribution patterns?
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social/genetic predisposition, resource dist., lifecycles
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What are the types of energy used by humans?
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nonrenewable,renewable, nuclear
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T/F the future use of coal is assured?
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False
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What are some issues with renewable energy?
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cost and some environmental issues
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What are the 3 basic theories of moral environmental responsibility? Compare.
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Anthropocentric:
Biocentric: Ecocentric: all support envionmental responsibility but in different ways. |
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What is the carrying capacity?
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the number of individuals of a species that can survive(and repro)in an area over time
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What are the types of ecosystems? What are they based on?
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terrestrial: temperature & water amount
aquatic: salinity & flow |
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The US has what percent of the coal?
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25%
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Is environmental science a science?
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Yes
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Define anthropocentric.
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responsibility derived from human interests alone
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What is the current major use of natural gas?
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Heating homes
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Define biocentrism.
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Belief that all life/ species have right to live and reproduce
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Name some other types of rennewable energy.
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Solar,but$$$,geothermal
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List 10 examples of ecosysytems:
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Desert, grassland,tundra,permanent ice,coniferous forest, temperate deciduous forest,savanna, marine, freshwater
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Explain Law of the Minimum.
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some signifigant factor controlls what population is (algae-nutrients, bears-food)
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What 4 factors set a carrying capacity?
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1 avail. of raw materials
2 avail nrg 3 accum & disp. of wastes 4 interaction'tween organisms |
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What is primary succesion?
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occurs in an area where there was no community, primary succession ends when a climax ecosystem is established.
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What is a renewable energy? Give examples.
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Wood, hydro, solar,wind, geothermal
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What is nonrenewable energy? Give examples.
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energy with a finite amount, coal,oil,natural gas
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Compare K and R reproductive strategies.
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both are succesfull strats, K has a long life,r a short;K low# off,r high #'K lots of parent care,r none'K big org.,r small; CC:K reached and mantianed, r almost never reached factors that affect KNRG(densitydepen),r (densityindep) stocastic events such as temp
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what are the types of energy?
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kinetic, potential, heat, chemical, light, electrical
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Define energy.
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the ability to work and transfer matter
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What are some issues with oil?
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the extraction, oil spills, combustion of it(pollution)
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Name a major step in primary succession.
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Soil building
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What are the laws of thermodynamics
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1Conservation of Energy 2Tendency toward Equilibrium
3Absolute Zero |
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What is mortality?
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The number of indiv. lost fromthe pop. through death
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what is a population?
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a group of individuals of the same species inhabiting the area
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Environmental science is interdisciplinary. What are some examples of this?
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Economics, politics, biology, earth scince, philosophy agriculture, chemistry
Salmon decline:hatcheries, habitat, hydropower, harvest |
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Is the future of natural gas assured?
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yes
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In the begining what supplied energy?
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plants and animals
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Define ecocentrism.
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belief that the environment is itself a moral entity with worth and rights
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What are thethoughts of moral environmental use?
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Development, preservation, conservation
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Do all species have the same sex ratio?
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No
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Why has there been an increase in human population recently?
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it is due to the increased availability of energy
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What are some issues with natural gas?
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it is very flammable, turns to (O2) and H2O
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What is the development ethic?
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Humans are master of the universe; enviro here for us to use (how does this serve people if everything is gone?)
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What is the preservation ethic?
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Nature itself is good and has intrinsic value
Need to preserve at all costs, all of nature (what do we keep and who decided?) |
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Who constantly alters the process of succesion?
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Man
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Who are the three top oil reserves?
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1 Saudi Arabia
2 iraq 3.united arab emirates |
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T/F non renewable sources of energy are formed by natural processes
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True
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What percent of our energy today comes from renewable resources?
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10%; 90% are non renewable
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What are some later forms of energy?
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Oil, coal, natural gas,
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What for of energy helped the industrial revolution?
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Coal
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What is the conservation ethic?
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Recognizes the benefits and costs of environmental use. we need it to live sustainably)
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What are some issued with coal?
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ecosystems are disrupted by toxic waste, health issues (black lung), transportation pollution
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Contrast ethics and morals.
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Ethics: define fundamental truth (right wrong)
Morals: define how people feel about ethics |
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Compare high vs low diversity: Give examples of each type:
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genetic diversity means survival, both are important
High:rainforest Low |
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Who has the most natural gad researves?
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former USSR, Iran
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WHy is it an issue that natural processes occur slower.
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We will run out at our current rate of use.
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Define matter.
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Something that has mass and exists as a solid, liquid, gas, or plasma.
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What is natality?
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the number of individuals added to the pop. through reproduction
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Describe the four basic types of survivorship curves.
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1.Humans,whales: constant until post repro where survial drops sharp
2.sea gulls: constant whole life 3.deer: high mort while young constant at repro and drops at post repro 4.mice:high early mortality then evens through repro and post repro |
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Define density.
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the number of individuals per unit area
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Name the distribution patterns and thier occurance.
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random: rare
even:rare clumped:common |
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Draw a clumped pattern. Why does it occur and in what?
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resources uneven dist. located near resources. humans xx xx xxxxx
xxxx xxxxxx x xxxxx |
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Draw the standard population growth curve.
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draw:
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What is secondary succesion? Give example:
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occurs after the partial or complete destruction of a community. The damaged community is replaced by another or by a series of other communities.
Beaver pond: beavers build dam flood and kill trees upstream, once abandoned trees slowly grow back |
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What is biodiversity?
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The number of different typesof organisms.
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Is biodiversity good or bad?
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It can be both.
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What sre some beneficial uses od an ecosystem?
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food,water,O2, waste removal and soil building
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What are some functions of and ecosystem?
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production, respiration,H2O cycle, decomposition
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Define ecosystem:
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a specific biological community and its physical environment interacting to exchange matter and energy
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Draw a random pattern.
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random:xx x xxx x xxxxxx x xx xxx x
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What is environmental science?
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The study of the land, air, water, and living environments and the effects of technology theron.
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Name two some other ethics than devlopment, preservation and conservation.
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corporate and environmental justice
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Draw an even pattern. Why does it occur and what are some affects.
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homog resources, often adverse reactions;bears lions
xx xx xx xx xx xx xx xx xx xx xx xx xx xx |