...that required an organic source of carbon...
...sunlight o synthesize organic materials from carbon...
...energy contained within organic molecules. Aerobic respiration...
...obtaining energy from organic molecules, contributing to...
...heterotrophs & consume organic materials (such as...
...organisms, or their organic wastes, & others...
...or feed on organic matter, depending on...
...nutrients from nonliving organic matter. Many types...
...exist as all organic carbon became “tied...
...They use complex organic compounds as sources...
...by breaking down organic materials into simple...
...They use complex organic compounds as a...
...nutrients from decaying organic matter. They obtain...
...dead or decomposing organic material, mainly plant...
...fungi break down organic matter that is...
...organisms that decompose organic matter & fungi...
...by supporters of organic agriculture. We also...

...of the major organic product in the...
...of the major organic product of the...
...of the major organic product in the...
...Provide the major organic product(s) in the...
...of the major organic product of the...
...Provide the major organic product(s) in the...
...Give the major organic product of the...
...Provide the major organic product(s) in the...
...Provide the major organic product in the...
...Draw the major organic product generated in...
...Draw the major organic product generated in...
...Provide the major organic product(s) in the...
...of the major organic product in the...
...Draw the major organic product generated in...
...Draw the major organic product generated in...
...Provide the major organic product(s) in the...
...Provide the major organic product(s) in the...

...needed to construct organic molecules. A. Nutritional...
...the body. The organic raw materials animals...
...from oxidation of organic fuel molecules— carbohydrates,...
...biosynthesis. This requires organic precursors (carbon skeletons)...
...a source of organic carbon (such as...
...a source of organic nitrogen (usually in...
...great variety of organic molecules - carbohydrates,...
...their diet includes organic nitrogen. Essential amino...
...rare. Vitamins are organic molecules required in...
...extract partially decayed organic material consumed along...
...to interconvert various organic molecules—has first access...
...percent of the organic material in their...

...generates oxygen and organic molecules that the...
...energy stored in organic molecules and use...
...energy by oxidizing organic fuels Catabolic metabolic...
...stored in complex organic molecules. Electron transfer...
...in these pathways. Organic compounds possess potential...
...systematic degradation of organic molecules that are...
...a variety of organic molecules. Most eukaryotic...
...catabolic process is: organic compounds + O2...
...can do work. Organic fuel molecules are...
...energy is released. Organic molecules that contain...
...group from an organic substrate molecule to...
...energy-yielding oxidation of organic molecules More than...
...oxidation of the organic fuel to carbon...
...acid cycle oxidizes organic fuel derived from...
...cells can oxidize organic fuel and generate...
...cells can oxidize organic fuel and generate...
...acceptor is an organic molecule such as...
...A variety of organic molecules can be...
...own molecules. Some organic monomers obtained from...
...down, sparing valuable organic molecules for other...

...which break down organic wastes and dead...
...energy stored in organic molecules must equal...
...sugars and other organic compounds. Chemosynthetic prokaryotes...
...from detritus, nonliving organic material such as...
...enzymes that digest organic material and then...
...producers. Detritivores convert organic matter from all...
...these elements into organic compounds. If decomposition...
...to synthesize new organic matter was exhausted....
...energy to synthesize organic molecules, which are...
...1014 kg) of organic material per year....
...incorporate it into organic compounds. NEP can...
...little evidence that organic carbon sinks into...
...the energy in organic material at lower...
...whether it contains organic or inorganic materials...
...detritivores consume nonliving organic material. Reservoir B...
...to the fossilized organic reservoir as dead...
...and weathering. Unavailable organic materials move into...
...cycle Biological importance: Organic molecules have a...
...carbon dioxide to organic molecules that are...
...can use only organic forms of nitrogen....
...by bacteria decomposes organic nitrogen. In nitrification,...
...use to synthesize organic compounds. Reservoirs: The...
...and incorporated into organic material. Phosphate is...
...rain forests, most organic material decomposes in...
...forests, relatively little organic material accumulates as...
...contain 50% of organic material. Nutrients remain...
...peatlands, store much organic matter. Decomposers grow...

...feces, and other organic materials. This decomposition...
...They absorb small organic molecules from the...
...centimeters of rich organic soil may have...
...it decomposes the organic matter in the...
...The cyanobacteria provide organic nitrogen through nitrogen...
...lichens also add organic nitrogen to some...
...the plant provides organic nutrients. Mycorrhizae are...
...tied up in organic matter. In their...
...cells of dead organic matter. Exoenzymes hydrolyze...
...and recyclers of organic matter, we use...

...sugars and other organic molecules. Photosynthesis nourishes...
...indirectly. Organisms obtain organic compounds by one...
...nutrition. Autotrophs produce organic molecules from CO2...
...ultimate sources of organic compounds for all...
...energy to synthesize organic compounds. Photosynthesis also...
...Heterotrophs live on organic compounds produced by...
...organisms or on organic litter, like feces...
...light, photosynthesis produces organic compounds and O2...
...of CO2 into organic molecules, a process...
...proteins and smaller organic molecules into photosystems....
...are extracted from organic molecules (which are...
...that synthesize other organic compounds, including glucose...
...output by siphoning organic material from the...
...of CO2 into organic molecules in the...
...a variety of organic acids in mesophyll...
...plants store the organic acids they make...
...released from the organic acids to become...
...add CO2 to organic intermediates before it...
...chemical energy in organic compounds. Sugar made...
...all the major organic molecules of cells....
...50% of the organic material is consumed...
...the most abundant organic molecule in the...

...inorganic compounds into organic ones. At the...
...ions, to synthesize organic molecules. The root...
...are incorporated into organic atoms, one can...
...plant contributes to organic molecules. Over 90%...
...bulk of the organic material of a...
...dry weight is organic substance and the...
...Most of the organic material is carbohydrate,...
...plant. Because some organic molecules contain nitrogen,...
...major ingredients in organic compounds: carbon, oxygen,...
...of partially decayed organic material. Topsoil and...
...is the decomposing organic material formed by...
...leaves, and other organic refuse. Humus prevents...
...the accumulation of organic material. However, human...
...decomposition of dead organic material. In contrast,...
...and compost are “organic” fertilizers because they...
...of decomposing. The organic material must be...
...they came from organic fertilizer or from...
...by secreting certain organic ions that bind...
...heavy metals or organic pollutants. In place...
...soils rich in organic materials, which provide...
...acids and other organic compounds. Most plant...
...of nitrate or organic compounds that have...
...proteins and other organic substances has a...
...for assimilation into organic compounds. Much of...
...carbohydrates and other organic compounds. The common...
...the production of organic molecules by photosynthesis...

...chemical elements between organic matter and the...
...to build the organic molecules of cells....
...at least one organic nutrient as a...
...the synthesis of organic compounds from carbon...
...their carbon in organic form. This mode...
...Chemoheterotrophs must consume organic molecules for both...
...chemoheterotrophs, almost any organic molecule, including petroleum,...
...for incorporation into organic molecules. Nitrogen fixing...
...the pool of organic molecules in the...
...extract energy from organic fuels to generate...
...the supply of organic molecules in the...
...power to synthesize organic compounds from CO2....
...locked in the organic molecules of corpses...
...the pool of organic compounds. Prokaryotes have...
...its eye with organic materials, the fish...
...sugars and other organic nutrients to the...
...bacteria decompose the organic matter into sludge...