BIO-114 Exam 1 Review Questions and Correct Answers
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Module
BIO 114
Institution
BIO 114
Ecosystem the sum of all organisms living in a given area and the abiotic factors they interact with
First law of thermodynamics energy cannot be created or destroyed, can only be transferred or transformed
Second law of thermodynamics Every exchange of energy increases the entropy of the univers...
bio 114 exam 1 review questions and correct answer
ecosystem the sum of all organisms living in a gi
first law of thermodynamics energy cannot be crea
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BIO-114 Exam 1 Review Questions and
Correct Answers
Ecosystem ✅the sum of all organisms living in a given area and the abiotic factors
they interact with
First law of thermodynamics ✅energy cannot be created or destroyed, can only be
transferred or transformed
Second law of thermodynamics ✅Every exchange of energy increases the entropy of
the universe, meaning that energy can only flow through ecosystems instead of cycling
through them for a long time
law of conservation of mass ✅Matter cannot be created or destroyed just like energy
Primary producers ✅the trophic level that supports all others, this is made up of
photosynthetic organisms called autotrophs. these use light to create sugars, organic
compounds and oxygen. (plants)
Primary consumers ✅Herbivores, the organisms that eat the producers
Secondary consumers ✅carnivores, these eat the primary consumers (herbivores)
tertiary consumer ✅these are the carnivores that eat other carnivores, consuming the
secondary consumers
Detrivores/decomposers ✅consumers who get their energy from consuming detritus
detritus ✅organic matter that is not alive this includes dead organisms, feces, fallen
leaves, etc. These are usually prokaryotes and fungi
Primary production ✅the amount of light energy that autotrophs convert into chemical
energy
Gross primary production (GPP) ✅the amount of light that is converted into the
chemical energy used in organic molecules
Net primary production (NPP) ✅NPP=GPP-Ra this represents the amount of chemical
energy being stored in the ecosystem that can be used by consumers
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