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... levels  so  many  steps  removed  from   photosynthetic  production.   ...
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abiotic components - Southgate Schools

...  abiotic components are non-living chemical and physical factors in the ...
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... occurs when a particular species of dinoflagellate begins reproducing rapidly, resulting in millions of cells in each gallon of water. Not all phytoplankton species produce visible blooms. The phytoplankton cells that cause a red tide contain ...
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... biological conditions in which an organism lives and the way in which the organism uses those conditions. ...
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Topic 6 - CTK Science

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secondary production and ecological efficiencies

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Community Ecology - Jedi`s Biology Web Page

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... centimeters of rain or snow each year. Root systems close to • Desert plants have large _________ the surface that allow them quickly take up water from rain. • Animals – sleep during the day and look for food at night to avoid the high temperatures • Largest deserts are found in ______ and SW ____ ...
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... rain per year and is dominated by grasses. 14. _________________________ an animal that hunts and eats other animals. 15. _________________________ a large area of land that is extremely biologically diverse, receives more than an average of 100 inches of rain per year, and has warm temperatures tha ...
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... • Both PRODUCERS and CONSUMERS use the process of CELL RESPIRATION to release the stored energy in organic compounds, such as Carbohydrates (glucose) to power their cells. • In this process, Glucose is converted back into Carbon Dioxide and Water as waste products. ...
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Animal Welfare Act - stephanieccampbell.com
Animal Welfare Act - stephanieccampbell.com

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Lake ecosystem

A lake ecosystem includes biotic (living) plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions.Lake ecosystems are a prime example of lentic ecosystems. Lentic refers to stationary or relatively still water, from the Latin lentus, which means sluggish. Lentic waters range from ponds to lakes to wetlands, and much of this article applies to lentic ecosystems in general. Lentic ecosystems can be compared with lotic ecosystems, which involve flowing terrestrial waters such as rivers and streams. Together, these two fields form the more general study area of freshwater or aquatic ecology. Lentic systems are diverse, ranging from a small, temporary rainwater pool a few inches deep to Lake Baikal, which has a maximum depth of 1740 m. The general distinction between pools/ponds and lakes is vague, but Brown states that ponds and pools have their entire bottom surfaces exposed to light, while lakes do not. In addition, some lakes become seasonally stratified (discussed in more detail below.) Ponds and pools have two regions: the pelagic open water zone, and the benthic zone, which comprises the bottom and shore regions. Since lakes have deep bottom regions not exposed to light, these systems have an additional zone, the profundal. These three areas can have very different abiotic conditions and, hence, host species that are specifically adapted to live there.
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