Term
| Why does atmospheric carbon dioxide increase of deforestation? |
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Definition
| There are fewer trees to absorb it. |
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Term
| Which heterotroph represents a first-level consumer? |
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Definition
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Term
| Which process recycles carbon back into the atmosphere? |
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Definition
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Term
| Which would most likely occur if the global totals of the products of exceeded the global totals of the products of photosynthesis? |
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Definition
| The total amount of carbon would increase. |
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Term
| What biological process carbon dioxide, water, and sunlight from the atmosphere and makes it usable by living organisms? |
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Definition
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Term
| Which is responsible for the removal of carbon dioxide from the atmosphere? |
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Definition
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Term
| Animals require a constant source of carbon compounds for the proper functioning of body processes. In which way are animals able to obtain usable atmospheric carbon? |
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Definition
| through digestion of plants that carry out photosynthesis. |
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Term
| Which process of the water cycle accounts for water vapor that forms from water found in plants and soils? |
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Definition
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Term
| What is one way heterotrophs can obtain nitrogen from their environment? |
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Definition
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Term
| Which chemical cycle involves transpiration, evaporation, and precipitation? |
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Definition
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Term
| Which best represents geochemical processes in the carbon cycle? |
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Definition
| Erosion, volcanic activity |
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Term
| Which organism belongs to the trophic level with the least amount of energy available for sustaining and maintaining life? |
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Definition
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Term
| Which statement best represents the relationship between a producer and a consumer? |
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Definition
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Term
| In which level is most of the available energy located within an energy pyramid? |
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Definition
| The producer level has the largest amount of available energy because it stores energy from the sun and supports all other trophic levels. |
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Term
| During transpiration, the stomata releases which molecule into the atmosphere? |
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Definition
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Term
| Water vapor is often polluted with sulfur above coal burning factories. What is the primary impact of this polluted water vapor on an ecosystem? |
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Definition
| polluted precipitation far away from the factory. |
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Term
| Which process describes how water is returned to the Earth through the atmosphere? |
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Definition
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Term
| which statement about the carbon cycle is true? |
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Definition
| Carbon dioxide is released to the atmosphere by cellular respiration. |
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Term
| Which of these indicators represents an aquatic environment that has an adequate supply of oxygen? |
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Definition
| There is an abundance of green aquatic plants and deep feeding fish. |
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Term
| An energy pyramid shows the loss of energy at each trophic level. Which explains why energy is not really lost? |
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Definition
| Some energy is converted into waste and heat energy. |
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Term
| Which best describes the amount of carbon in the carbon cycle? |
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Definition
| As the output equals the equals the actual amount absorbed, it remains constant. |
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Term
| Ecologists estimate that only 10% of the energy at a trophic level is available to the next trophic level. Which best explains why this occurs? |
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Definition
| Organisms use this energy for their own life processes. |
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Term
| Which process in the water cycle best explains the oceans being huge "carbon sinks," or areas that absorb and store carbon dioxide from the atmosphere? |
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Definition
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Term
| Which process requires water to start? |
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Definition
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Term
| What is the source of energy behind the carbon cycle? |
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Definition
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Term
| Which method of oxygen production is the most important for infusing oxygen into aquatic environments? |
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Definition
| Photosynthesis of aquatic plants and phytoplankton. |
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Term
| Which is least likely to cause oxygen depletion in aquatic environment? |
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Definition
| A constant flow of water moving through layers of temperature. |
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Term
| An Acacia tree provides food and sheiter to ants, which then keep herbivores away from the tree. Which is best represented by this relationship? |
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Definition
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Term
| What do mutualistic interactions between different organisms involve? |
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Definition
| Benefits for both organisms. |
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Term
| Which organism would be considered a predator in a food chain? |
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Definition
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Term
| Certain bacteria are normally found in the human intestine and are beneficial to human health, How would this relationship between humans and bacteria be best described? |
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Definition
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Term
| A microscopic organism enters the body of another organism and lives and muitiplies in the intestines of its host. The host does not benefits from the relationship. What term best describes this relationship? |
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Definition
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Term
| What keeps the lynx population from experiencing constant growth? |
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Definition
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Term
| Which is a prey adaptation for survival against a predator? |
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Definition
| harmless species looking like a dangerous one. |
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