BIOLOGY 1108 TEST UPDATED 2026
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS – YOUR ROAD
TO SUCCESS
What term describes the collective external influences that dictate whether an
organism survives? ✔✔ Environment
How is the scientific study of the relationships between organisms and their
physical surroundings defined? ✔✔ Ecology
What are the non-biological elements of an ecosystem called? ✔✔ Abiotic factors
What term is used for the biological or living parts of an environment? ✔✔ Biotic
factors
What is the specific geographical area or natural home where a species is found?
✔✔ Habitat
How do you define a single, individual life form within a habitat? ✔✔ Organism
What do you call a localized group of individuals belonging to the same species?
✔✔ Population
What term describes multiple different populations living together and interacting
in one area? ✔✔ Community
, maintained in a community unless outside forces act upon one or more populations
within the community -ANSWER✔✔ecological balance
system of living organisms interacting with both biotic and abiotic factors in their
environment -ANSWER✔✔ecosystem
general name for a close, extended relationship between two different species in an
ecosystem; one or both species benefits -ANSWER✔✔symbiosis
ecological niche consisting of organisms capable of producing their own food by
photosynthesis or chemosynthesis -ANSWER✔✔producers
ecological niche consisting of organisms that consume dead or decomposing
matter -ANSWER✔✔decomposers
arrangement of producer and consumer organisms within an ecosystem according
to their order of predation -ANSWER✔✔food chain
Ecological _____ is the gradual change in the structure of an ____ as it develops
over time. -ANSWER✔✔succession....ecosystem
_____ 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. -ANSWER✔✔Primary
The fifth level of ecological order, the ___________________ is a large ecological
region defined by specific biotic and abiotic factors -ANSWER✔✔biome
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS – YOUR ROAD
TO SUCCESS
What term describes the collective external influences that dictate whether an
organism survives? ✔✔ Environment
How is the scientific study of the relationships between organisms and their
physical surroundings defined? ✔✔ Ecology
What are the non-biological elements of an ecosystem called? ✔✔ Abiotic factors
What term is used for the biological or living parts of an environment? ✔✔ Biotic
factors
What is the specific geographical area or natural home where a species is found?
✔✔ Habitat
How do you define a single, individual life form within a habitat? ✔✔ Organism
What do you call a localized group of individuals belonging to the same species?
✔✔ Population
What term describes multiple different populations living together and interacting
in one area? ✔✔ Community
, maintained in a community unless outside forces act upon one or more populations
within the community -ANSWER✔✔ecological balance
system of living organisms interacting with both biotic and abiotic factors in their
environment -ANSWER✔✔ecosystem
general name for a close, extended relationship between two different species in an
ecosystem; one or both species benefits -ANSWER✔✔symbiosis
ecological niche consisting of organisms capable of producing their own food by
photosynthesis or chemosynthesis -ANSWER✔✔producers
ecological niche consisting of organisms that consume dead or decomposing
matter -ANSWER✔✔decomposers
arrangement of producer and consumer organisms within an ecosystem according
to their order of predation -ANSWER✔✔food chain
Ecological _____ is the gradual change in the structure of an ____ as it develops
over time. -ANSWER✔✔succession....ecosystem
_____ 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. -ANSWER✔✔Primary
The fifth level of ecological order, the ___________________ is a large ecological
region defined by specific biotic and abiotic factors -ANSWER✔✔biome
