Biology

Energy transfer

Energy transfer


Joël Dietisheim
Cartes-fiches
16
Utilisateurs
1
Langue
Anglais
Catégorie
Biologie
Créé / Mis à jour
12.06.2013 / 12.06.2013

Flashcards

producers

autotrophs --> make their own food

organic molecules

contain carbon

production ways

photosynthesis / chemosynthesis --> bacteria use energy stored in inorganic molecules to produce carbohydrates(Kohlenhydrate)

gross primary productivity

rate at which producers in an ecosystem capture the energy of sunlight by producing organic compounds

biomass

organic material produced in an ecosystem

net primary productivity

rate at which biomass accumulates

consumers

heterotrophs --> can't produce own food

herbivores

eat producers

carnivores

eat consumers

omnivores

eat both producers and consumers

detritivores

eat the garbage

decomposers

brake down complex molecules

trophic level

the organisms position in a sequence of energy transfer

food chain

single pathway of feeding relationships among organisms

food web

interrelated foodchains

energy from one to the other trophic level

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