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What term is used to refer to the many interconnecting feeding relationships that are possible in an ecosystem? A. food web B. food chain C. energy pyramid D. energy transfer
Weegy: Answer: food web. All the interconnected paths of energy flowing from species to species in an ecosystem is called a food web. (More)
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Updated 105 days ago|6/4/2014 12:14:33 PM
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Which of the following describes soil and temperature in an ecosystem? A. selection factors B. biotic factors C. abiotic factors D. unnecessary factors
Weegy: The best describes soil and temperature in an ecosystem is under abiotic factor.. n ecosystem is a community of living organisms (plants, animals and microbes) in conjunction with the nonliving components of their environment (things like air, [ water and mineral soil), interacting as a system.[2] These components are regarded as linked together through nutrient cycles and energy flows.[3] As ecosystems are defined by the network of interactions among organisms, and between organisms and their environment,[4] they can come in any size but usually encompass specific, limited spaces[5] (although it is sometimes said that the entire planet is an ecosystem).[6] Energy, water, nitrogen and soil minerals are other essential abiotic components of an ecosystem. The energy that flows through ecosystems is obtained primarily from the sun. It generally enters the system through photosynthesis, a process that also captures carbon from the atmosphere. By feeding on plants and on one another, animals play an important role in the movement of matter and energy through the system. They also influence the quantity of plant and microbial biomass present. By breaking down dead organic matter, decomposers release carbon back to the atmosphere and facilitate nutrient cycling by converting nutrients stored in dead biomass back to a form that can be readily used by plants and other microbes.[7] Ecosystems are controlled both by external and internal factors. External factors such as climate, the parent material which forms the soil and topography, control the overall structure an ecosystem and the way things work within it, but are not themselves influenced by the ecosystem.[8] Other external factors include time and potential biota. Ecosystems are dynamic entities—invariably, they are subject to periodic disturbances and are in the process of recovering from some past disturbance.[9] Ecosystems in similar environments that are located in different parts of the world can end up ... (More)
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Asked 9/24/2012 12:42:20 PM
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The statement “It is hot and sunny today; the temperature is 88 degrees at 11:00 a.m.” describes
Weegy: a really hot day (More)
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Asked 9/25/2012 11:30:39 AM
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Which of the following is not an environmental effect of deforestation? A. loss of topsoil B. reestablishment of trees C. reduction of wildlife habitat D. soil erosion
Weegy: B. Reestablishment of trees is not an environmental effect of deforestation. (More)
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Updated 196 days ago|3/5/2014 11:24:51 AM
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Which of the following statements about tree harvesting is correct? A. Selective cutting minimizes the impact on forest ecosystems. B. Clear cutting is quick but is more expensive than other methods due to the vast areas involved. C. Selective cutting eliminates the possibility of soil erosion. D. Clear cutting requires the most road building due to the large numbers of trees harvested.
Weegy: The answer is: C. [ Selective cutting eliminates the possibility of soil erosion. ] (More)
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Updated 105 days ago|6/4/2014 12:19:04 PM
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The following statement about tree harvesting is correct: Selective cutting minimizes the impact on forest ecosystems.
Added 105 days ago|6/4/2014 12:19:04 PM
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