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THe average year after year conditions of temperature and precipitation in a particuler region are refferres as the regions.... |
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all of the following factors contribute to earth's climate except.... |
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a.latitude b.longitude c. transport of heat d. shape and elevation of landmasses
D. |
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the loss of heat to space is slowed by |
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a. the result of an excess of carbon dioxide in the atmosphere |
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The unequal heating of the earth's surface |
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a. drives wind an docean currents b. causes winds that transport heat through the biosphere c. has important eefects on earths climate regions d. all of the above
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A mountain can effect climate by |
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b. causing precipitation to fall mostly on one side of the mountain |
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each of the following is an abiotic facter in the enviroment except... |
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a. average temp b. types of soil c. number and kinds of predators d. concentration of oxygen
c. |
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WHich is a biotic factor that affect the size of a population in a specific ecosystem |
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c. number and kninds of predators in an ecosystem |
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all the physical and biological factors in the organisms enviroment |
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several species of warbkers can kive int he samr spruce tree only because they.... |
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occupy diff. niches within that tree |
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diff. species can share the sAME HABITATE but competition among them is reduced if they |
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no two species can occupy hte same habiat in the same niche at the same time |
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c.because of the competitive exclusion principle |
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the symbiotic relationship between a flower and an insect that feeds on its nectar is an ex. of |
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a. mutualism because the flower provides the insect with food, and the insect pollinates the flower |
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a predator can increase the number of certain species in its habitat y |
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a. killing and eating the competitors of other species |
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what is one difference between primary and secondary succession |
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b. secondary begins on soil, and primary begins on newly exposed surfaces |
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which factor can influence continual change in one ecosystem |
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a. further disturbences b. long-term climate change\c. standing water ecosysstems d. all the above
d. |
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c. standing water ecosystems |
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which is one way a wetland ecosystem differs from a standing water ecosystem |
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c. water does not always cover a wetland like it does a standing water ecosystem |
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which of the following is NOT one of the factors that play a role in population growth rate |
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one of the main characteristics of a population is |
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b. geographic distrobution |
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there are 150 saguaro cactus palnts per square kilometer in a certain area of Arizona desert. TO which population characteristic does this oinfo. refer |
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what does the range of a population tell you that the density dies not? |
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b. the areas inhabited by a population |
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a small farmin g community in texas covers 14 sq. km there are 420 individuals who live within the town limits what is the population density of the community |
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c 30 individuals per square km |
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which of the following tells you populaiton density |
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d. the number of bacteria per square millimeter |
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the movement of organisms into a given area from another area is called..... |
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what must occur in a population for it to grow |
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a.the birthrate becomes higher than the death rate |
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what is happening in a population as it decreases |
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d. the death rate becomes higher than the birthrate |
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if immigration and emigration # remain =, which is the most important contributing factor to a slowed growth rate? |
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which are two ways a population can decrease in size |
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c. decreased birthrate and emigration |
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which factor might not conribute to an exponential growth rate in a given popultation |
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in a logistic growth curve exponential growth is the phase in which the population.... |
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when the exponential phase of a logistic growth curve of a population ceases, |
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c. population growth begins to slow down |
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all of the following are limiting factors EXCEPT |
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a.immigration b.competition c.predation d.human disturbances
a |
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