BIO 1108 EXAM QUESTIONS AND
ANSWERS A+ GRADED
________ is general name for a close, extended relationship between two
different species; one or both species benefits
symbiosis
_________succession occurs when plants become established on barren soil or
rocks where there has been no previous growth or where all previous traces of
life have been destroyed
primary
________ is the set of factors acting upon an organism to determine its survival
environment
_______ is the living factors relation to organisms in their environment
biotic
______ is nonliving factors relating to organisms in their environment
abiotic
______ is the study of how organisms interact with one another and with their
environment
ecology
_______ is the natural environment in which a species lives
habitat
______ is the individual life form residing in a specific habitat
organism
_____ is a group of organisms of the same species living in a particular habitat
population
________is the group of two or more populations that occupy the same area at
the same time and experience at least some degree of interaction
community
_____________ is maintained in a community unless outside forces act upon one
or more populations within the community
ecological balance
an _______ is a system of living organisms interacting with both biotic and
abiotic factors in their environment
ecosystem
____________ are organisms capable of producing their own food by
photosynthesis or chemosynthesis
producers
__________ are organisms that consume dead or decomposing matter
decomposers
the arrangement of producer and consumer organisms within an ecosystem
according to their order of predation is often called a ____________
food chain
ecological _______ is the gradual change in the structure of an ______ as it
develops over time
ANSWERS A+ GRADED
________ is general name for a close, extended relationship between two
different species; one or both species benefits
symbiosis
_________succession occurs when plants become established on barren soil or
rocks where there has been no previous growth or where all previous traces of
life have been destroyed
primary
________ is the set of factors acting upon an organism to determine its survival
environment
_______ is the living factors relation to organisms in their environment
biotic
______ is nonliving factors relating to organisms in their environment
abiotic
______ is the study of how organisms interact with one another and with their
environment
ecology
_______ is the natural environment in which a species lives
habitat
______ is the individual life form residing in a specific habitat
organism
_____ is a group of organisms of the same species living in a particular habitat
population
________is the group of two or more populations that occupy the same area at
the same time and experience at least some degree of interaction
community
_____________ is maintained in a community unless outside forces act upon one
or more populations within the community
ecological balance
an _______ is a system of living organisms interacting with both biotic and
abiotic factors in their environment
ecosystem
____________ are organisms capable of producing their own food by
photosynthesis or chemosynthesis
producers
__________ are organisms that consume dead or decomposing matter
decomposers
the arrangement of producer and consumer organisms within an ecosystem
according to their order of predation is often called a ____________
food chain
ecological _______ is the gradual change in the structure of an ______ as it
develops over time
