Term
| The Biodiversity of a tropical rainforest is so high because of the? |
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Definition
| High amounts of solar irradiance and abundance of water |
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Term
| All the populations of a particular kind of organisms are members of the same? |
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Definition
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| As the size of a population approaches its carrying capacity? |
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Definition
ALL OF THE ABOVE... a.The growth rate declines to zero b. a graph repreentation resembles an "s" c. birth and death rates become equal d. the population stabilizes at its maximum size. |
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| Eztracts of the rosy periwinkle, Catharus roseus have provided medicine with vincristine and vinblastim, drugs not available for treating cancer. This ability to find this species of plant and preserve these kind of drugs is a strong argument for? |
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Definition
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| The best strategy for supporting biodiversity is? |
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Definition
| prevent species from becomming endangered in the first place. |
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| The moist air of a tropical rainforeset is due to ? |
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Definition
| Warm air rising at equator, then cooling and condensing and falling on the earth. |
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| Life on Earth is approximatly |
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Definition
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| In a normal heterozygous individual, only one allele is expressed in the phenotype that allele is? |
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Definition
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| Which pollutant is most implicated in global climate change? |
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Definition
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| Which Activity could best be considered an example of an ecological study? |
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Definition
| Comparing the effects of varying water temperatures and fish egg development |
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Term
| Over the past two centuries, the growth of the human population has? |
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Definition
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| In some situations the death rate of a population declines before the birth rate begins to decline. This is an example of? |
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Definition
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Term
| In a muliticellular organism, different tissues that function together are grouped into? |
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Definition
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| What statement could best describe ecology? |
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Definition
| The study of oak trees and their interactions with other plants. |
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Term
| Human populations may surpass the carrying capacity of their environment due to? |
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Definition
| A temporary reliance on stored non-renewable sources. |
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| The evenly spaced distribution of stalks of corn planted in an agricultural field is considered? |
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Definition
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Definition
| People don't like it growing where it is. |
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| In a particular country there are 30 birthd and 20 deaths for every 1000 residents. What is the annual growth rate for this population? |
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Definition
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Term
| If everyone on the planet ised resources and lived the average lifestyle of an American.... |
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Definition
| We would need multiple earths for this to be possible |
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| Although most biologist believe that many species are becomming extinct each year because of the activities of humans, relatively few species actually appear on the endangered species list of extinct species. What is one reason so few species are listed as exinct? |
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Definition
| Many species are unknown to science, and probably they go extinct before they have been described. |
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Term
| Life on Earth has experienced five mass extinctions, It is thought that these past episodes of extinction were caused by all of the following except? |
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Definition
| an increase is large predatory animals |
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Term
| The kinds of vegetation found in an area are determined by what? |
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Definition
| Temperature and precipitation |
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Term
| What evolutionary adaptations are necessary for desert plants to survive? |
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Definition
| Shallow roots to quickly capture water and a thick waxy stem. |
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| Coniferous trees (evergreen) are abundant in? |
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Definition
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Term
| The pressure to clear more land for agriculture can be reduced by? |
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Definition
| Supporting birth control measures world wide. |
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Term
| Although carring capacity of a population is determined by food availability, it is also dependent on ? |
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Definition
| clean water, clean air, and reliable ways to manage waste. |
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Term
| Scientist have used fossil records to esimate the average length of time that a species inhabits the earth. Why is this esimate useful for assesing the impact of humans on the Earth's biological diversity? |
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Definition
| it can estimate how many species extinctions are caused by human activity. |
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Term
| Tallgrass prarie was once part of the main ecosystem of Minnesota. What do you think cold be the typical grass species of the above mentioned habitat? |
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Definition
| All of the above... Big blue stem, indian grass, switch grass, |
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Term
| All these ecological service But One can be preformed by insects on a well restored habitiat prarie? |
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Definition
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Term
| Which of the following is a population-limiting density-dependent factor? |
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Definition
| The fast spread of tuberculosis in urban areas. |
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Term
| How do you think prarie plants keep under control the growth of weeds and exotic pecies? What is their best strategy to succeed? |
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Definition
| Their massive root systems that occupy all soil niches. |
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Term
| New England salt marshed ecperience a greater amount of plant growth in a given area in one year that any other temperate ecosystem. These salt marshes: |
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Definition
| Have a high net primary productivity |
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Term
| The web of life refers to the? |
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Definition
| connections between species in an ecosystem |
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Term
| The risk faced by small populations include.... |
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Definition
| erosion and genectic variability through genectic drift. and decreased fitness of individuals as a resut of inbreeding. |
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Term
| The relationship between the size of the natural habitiat and the number of secies that the habiitat supports is described by an... |
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Definition
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| The average american uses as many resources in one day as 370 Ethiopians? |
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Definition
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Term
| The human population may continue to increase even though it surpasses its carrying capacity |
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Definition
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Term
| Eutrophication is responsible for the demise of the tropical rian forest? |
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Definition
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| The human population growth rate us higher now than ever before? |
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Definition
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| Lakes are freshwater habitiats? |
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Definition
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Term
| The higher a consumer eats on a food chain, the less amounts of energy are required to sustain it. |
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Definition
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Term
| Decomposers inhabit the soil ecosystem? |
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Definition
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Term
| Producers are photosynthetic organisms |
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Definition
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Term
| Taiga is another name for decidous forest? |
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Definition
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Term
| The bottom of the ocean is a lifeless part of this biome |
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Definition
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Term
| Invisible component of matter: the smallest particle |
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Definition
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Term
| Molecule like DNA or ATP? |
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Definition
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Term
| The buildiing blocks of life? |
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Definition
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Term
| Different irgan systems all together? |
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Definition
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Term
| Ecological unit above ecosystem? |
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Definition
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