Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Question
Chapter 44, Problem 9TY
Summary Introduction
Introduction:
The organisms which are liable for primary production are termed as primary producers. Primary producers are also termed as autotrophs. Production requires nutrients and sunlight.
Primary production is a very important factor in the ecosystem. It is the energy-trapping rate by plants(green), which manages the production rate of organic materials from simple inorganic materials.
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Chapter 44 Solutions
Principles of Biology
Ch. 44.1 - Prob. 1CCCh. 44.1 - Prob. 1TYKCh. 44.1 - Lake Baikal in Siberia is an ancient, unglaciated...Ch. 44.1 - Prob. 3TYKCh. 44.2 - Prob. 1TYKCh. 44.2 - Prob. 2TYKCh. 44.3 - Why might ecologists think of walking thecoastline...Ch. 44.3 - Prob. 2CCCh. 44.3 - Which of the following are examples of secondary...Ch. 44.3 - In New England salt marshes, Spartina grass...
Ch. 44.3 - Prob. 3TYKCh. 44.4 - Prob. 1CCCh. 44.4 - Prob. 1BCCh. 44.4 - Prob. 2CCCh. 44.4 - Which is part of the original MacArthur-Wilson...Ch. 44.4 - Prob. 2TYKCh. 44.5 - In these two food chains, plants and...Ch. 44.5 - Prob. 1CCCh. 44.5 - Prob. 1TYKCh. 44.5 - Detritivores that feed on the dung of herbivores...Ch. 44.5 - Prob. 3TYKCh. 44.6 - Net primary production is the energy that passes...Ch. 44.6 - Prob. 2TYKCh. 44.6 - Most gross primary production is used in (by)...Ch. 44 - Prob. 1TYCh. 44 - Prob. 2TYCh. 44 - Prob. 3TYCh. 44 - Prob. 4TYCh. 44 - On which types of islands would you expect species...Ch. 44 - Prob. 6TYCh. 44 - Autotrophic organisms are primary consumers....Ch. 44 - Prob. 8TYCh. 44 - Prob. 9TYCh. 44 - The most highly productive terrestrial ecosystems...Ch. 44 - Prob. 1CCQCh. 44 - Prob. 2CCQCh. 44 - Prob. 3CCQCh. 44 - List some possible ecological disturbances, their...Ch. 44 - Prob. 2CBQ
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- Plants obtain ______ by taking it up from the air. a. nitrogen c. phosphorus b. carbon d. waterarrow_forwardWhy are drinking water supplies still a major concern for many countries?arrow_forwardPrimary productivity on land is affected by _______. a. nutrient availability c. temperature b. amount of sunlight d. all of the abovearrow_forward
- Decomposers are associated with which class of food web? grazing detrital inverted aquaticarrow_forwardThe most important flux (largest) in a non-carbon nutrient cycle is Biological fixation None of these Decomposition Weathering Non-biological fixationarrow_forwardfertilizers are necessary if the soil lacks one of the following nutrients: a. calcium, carbon, potassium b. nitrogen phosphorus, potassium c. nitrogen, phosphorus, magnesium d. nitrogen, calcium, magnesium e. phosphorus, potassium, magnesiumarrow_forward
- This trophic level creates biomass from abiotic sources quaternary consumer primary consumer primary producer tertiary consumerarrow_forwardPlant growth is most likely to be limited by the available supply of usable: a. nitrogenb. carbonc. oxygend. phosphorusarrow_forwardFor which of the following problems would growing and maintaining cover crops be an appropriate solution? Erosion is thinning the soil on a farm. The organic matter and nutrients in the soil on a farm are being depleted. The soil on a farm is becoming arid due to decreased water-carrying capacity. a I and II only b I and III only c II and III only d I, II, and IIIarrow_forward
- Net primary productivity refers to the rate of energy storage as organic matter by autotrophs after respiration is deducted the total rate of photosynthesis, or energy assimilated, by autotrophs the amount of accumulated organic matter found in an area at a given time the production of new tissues and offspring by heterotrophsarrow_forwardThe amount of energy available to heterotrophs is ________. Select one: a. net primary productivity (NPP) b. always equal c. kilocalories per unit area d. gross primary productivityarrow_forwardWhy are terrestrial autotrophs responsible more global productivity than marine producers? higher local biomass per unit productivity ocean temperature limit cellular physiology currents stress out the plankton terrestrial CO2 is more accessible for uptake all of the abovearrow_forward
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