Bio 182 Chapter 55 Ecosystem Ecology Flashcards

4090963427	Decomposes faster in tropical rain forests than in temperate forests	Organic Material	0
4090966237	Equal to gross primary production minus energy for respiration	Net primary production	1
4090968273	Cannot be recycled, so an ecosystem must have a continuous influx of energy	Energy	2
4090970016	The amount of light energy that is converted to chemical energy by photosynthesis	Gross primary production	3
4090972624	Consumers that get their energy from nonliving organic material such as remains of dead organisms, feces, fallen leaves, and wood	Detritivores	4
4090974265	Energy cannot be created or destroyed	Law of Conservation of Energy	5
4090975171	Carnivores that eat herbivores	Secondary Consumers	6
4090981041	Herbivores consume relatively little plant biomass because they are held in check by limiting resources, predators, parasites, and other forces	Green World Hypothesis	7
4090982545	Occurs in lakes polluted by excess amounts of nutrients	Eutrophication	8
4090982553	Carnivores that eat carnivores	Tertiary Consumers	9
4090985319	Increases the amount of precipitation in a region and amount of solar energy available	Actual Evapotranspiration	10
4090987737	Consists of the community plus the abiotic factors. Characterized by energy flow and chemical cycling	Ecosystem	11
4090988631	This trophic level consists of herbivores	Primary Consumers	12
4090989715	This trophic level consists of autotrophs	Primary Producers	13
4090990723	Toxins become more concentrated in successive trophic levels of the food web	Biological Magnification	14
4172445340	The amount of light energy converted to chemical energy by autotrophs during a given time period	Primary production	15
4172468389	NPP is only available to	Consumers	16
4172480715	The element that must be added for production to increase in an area	Limiting nutrient	17
4172485193	Sewage runoff can cause _________ of lakes	Eutrophication	18
4172584700	Evapotranspiration is affected by	precipitation, temperature, and solar energy	19
4172592297	The amount of chemical energy in food converted to new biomass during a given period of time	Secondary production	20
4172596937	The fraction of energy stored in food that is not used for respiration	Production efficiency	21
4172600322	The percentage of production transferred from one trophic level to the next	Trophic efficiency	22
4172614690	Trophic efficiency is usually about ___, with a range of ___ to ____	10%; 5%; 20%	23
4172622772	Nutrient cycles in ecosystems involve biotic and abiotic components and are often called	Biogeochemical cycles	24
4172647669	Four factors of studying cycling of water, carbon, nitrogen, and phosphorus	Each chemical's biological importance, forms in which each chemical is available or used by organisms, major reservoirs for each chemical , key processes driving movement of each chemical through its cycle	25
4172661065	Photosynthetic organisms convert CO2 to __________ that are used by heterotrophs	Organic molecules	26
4172666497	A major constituent of nucleic acids, phospholipids, and ATP	Phosphorus	27
4172669442	A component of amino acids, and nucleic acids	Nitrogen	28
4172670812	Main reservoir of nitrogen	The atmosphere	29