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A Rock is? |
Abiotic |
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What is the correct hierarchial order? |
organismal,, population, community, and ecosystem |
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What level of ecology is concerned with the adaptation of individuals? |
Organismal ecology |
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What level of ecology is concerned with groups of individuals of the same species? |
Population ecology |
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What level of ecology is concerned with different species? |
Community ecology |
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What level of ecology is concerned with both the biotic and abiotic aspects of the environment? |
ecosystem ecology |
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Whose work was among the first to bring environmental concerns to the public environment? |
… |
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What is the primary source of energy for nearly all of the earths ecosystems? |
Solar energy from sunlight captured by chlorophyll. |
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Aquatic organisms have a waxy coating to prevent water loss True/False? |
False |
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What may wind affect? |
an organisms water. |
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Which is not considered a catastrophic disturbance? |
… |
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As a result of a catastrophic disturbance a community will |
… |
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What is a population? |
a group of individuals of the same species living in a particular geographic area. |
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What is a community? |
Consist of all the organisms that inhabit a particular area. |
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What is the number of individuals of a population per unit area? |
… |
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What is the number of individuals per unit area is? |
Population Density |
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If a species of fungus is only found living on cow patties, what type of dispersion pattern is the fungus exhibiting? |
Uniform |
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When students first enter a clssroom where they are unfamiliar with others in class, they tend to leave atleast one chair between each other. What type of dispersion pattern does this illustrate? |
… |
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What name is given to patternless distriibution of the individuals of pattern does this illustrate? |
… |
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In the presence of limiting factors, a populations growths follows? |
Exponential |
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In the presence of limiting factors, a populations growth follows |
logistic models |
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what is the number of individuals of a species that a particular habitat can support? |
carrying capacity |
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competition among individuals of the same species? |
intraspecific |
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What factor operate in a density dependent manner? |
food supply |
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over time the populations of some species does what? |
relatively stable |
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An unexpected freeze that kills a population of chipmunks is an example of? |
Density independent factor |
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What will be the approximate shape of the age structure diagram of a rapidly increasing population? |
Pyramid |
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What will be the approximate shape of the age structure diagram of a stable population? |
rectangle |
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Which of these best describes type 1 survivor ship? |
low death rate early in life, high death late |
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type 1 survivorship curves a typical of species that exhibit? |
few offspring, good parental care |
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Which of these best describes type 3 survivorship? |
very high death rate, very early in life |
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Opportunistic species typically do what? |
have large number of offspring sexual maturity rapidly |
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Species that exhibit an equiliberal life history typically do what? |
have long lives |
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What organisms form the subtrate of a coral reef? |
… |
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As a result of disturbance, a community will do what? |
undergo succession |
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Organisms at the first trophic level are |
Autotrophs |
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In the food chain grass an atelope is |
herbivor/primary consumer |
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In the food chain grass the human is? |
secondary consumer |
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which organism is responsible fro making energy available to other organisms? |
producers |
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which covert organuc matter to inorganic matter by breaking down dead organisms? |
Detrivors |
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Which organism is a detritivore? |
Beetles, millipedes |
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Bears eat berries, human and large fish; thelarge fish at smaller fish and insects; humans eat bears, large fish and berries; venus flytraps eat insects this is what kind of scenerio? |
a food web |
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Humans are omnivores or herbivors? |
Omnivors |
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How does energy flow differ from chemical cycling? |
Energy/Undirectional- Chemical/Recycled |
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Approximately what percentage of the visible light reaching earths surface do producers covert chemical energy? |
1% |
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Biomass is the total amount of? |
organic material |
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What is the rate at which organic matter is produced in an ecosystem? |
primary productivity |
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What percentage of the energy in the form of organic matter at one trophic level is not available as biomass at the next highest trophic level? |
10% |
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You would expect an energy pyramid to have roughly the same shape as a diagram illustrating changes in what? |
Biomass |
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The main abiotic reservoir for carbon is? |
The atmosphere |
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What from of carbon is incorporated into organic matter by producers? |
Carbon dioxide, C02 |
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The atmospher is approximatley 80% what? |
Nitrogen Gas |
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The major abiotic reservoir for phosphorus is? |
Rocks |
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Globally most water moves from? |
warm regions to cold regions |
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the sahara desert and the negev desert belong to the same what? |
Biome |
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What are the dominat herbivors of the savanna ecosystems? |
elephants, giraffes |
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What is the basis of the difference between savannas and grasslands? |
more trees |
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Which of the biomes is maintained by fire? |
chaparral |
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most of the temperate grassland in north america has been converted to |
Photic zone |
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what are estuaries? |
tidal mouth of river |
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Which of these biomes is one of the most biologically productive of all biomes? |
esturarues |
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What name is given to the sea where the region where the sea meets land? |
intertidal zone |
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What name is given to the open ocean? |
aphotic zone |
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in what ocean zone are phytoplankton found? |
ipelogical zone |
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what name is given to the sea floor? |
Benthic Realm |
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