Science / ECOLOGY Ch7: Energy & Nutrient Relations

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Can you name the ECOLOGY Ch7: Energy & Nutrient Relations?

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DefinitionTerm
increase in animal feeding rate, which eventually levels off, that occurs in response to an increase in food availability
an organism that can synthesize organic molecules using inorganic molecules and energy from either sunlight or from inorganic molecules such as hydrogen sulfide
a photosynthetic pathway which the product is PGA, a 3 carbon acid
process that maximizes or minimizes some quantity
a photosynthetic pathway largely limited to succulent plants in arid and semiarid environments, in which carbon fixation takes place at night when lower temperatures reduce the rat
number of photons of light striking a square meter surface each second
total co2 uptake during photosynthesis minus the co2 produced by the plant's or alga's own respiration
theory that attempts to model how organisms feed as an optimizing porcess, a process that maximizes or minimizes some quantity, such as energy intake or predation risk
prokaryotes distinguished from bacteria on the basis of structural, physiological, and other biological features
co2 is fixed in mesophyll cells by combining it with phosphoenol pyruvate, or PEP to produce a 4 carbon acid; generally more drought tolerant than c3
Structure which surrounds leaf veins of c4 plants, made up of cells where 4 carbon acids produced during carbon fixation are broken down to 3 carbon acids and co2
DefinitionTerm
an organism that uses carbon dioxide as a carbon source and light as an energy source to synthesize organic compounds
an organism that uses organic molecules both as a source of carbon and a source of energy
level of light intensity, often measured as photon flux density
organism that consumes flesh; approx. synon. with predator
comimicry among several species of noxious organisms
wavelengths of light between 400 and 700 nm that photosynthetic organisms use as a source of energy
autotrophs that use inorganic molecules as a source of carbon and energy
organisms that feed on nonliving organic matter, usually on the remains of plants
evolution of a nonoxious species to resemble a poisonous or inedible species.
the enzyme that catalyzes the initial reaction in photosynthesis that combines co2 and ribulose biphosphate
heterotrophic organism that eats plants

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