ECOLOGY REVISED QUESTIONS WITH
CORRECT ANSWERS
abiotic factor - CORRECT ANSWER-a physical or nonliving
influence on organisms within an ecosystem
autotroph - CORRECT ANSWER-an organism that can capture
energy from sunlight or chemicals to produce food
biomass - CORRECT ANSWER-the total amount of living
tissue within a given trophic level
biome - CORRECT ANSWER-a group of ecosystems that have
a climate and similar dominant communities
biosphere - CORRECT ANSWER-the combined portion of the
planet where all life exists
biotic factor - CORRECT ANSWER-a biological influence on
organisms within an ecosystem
carnivore - CORRECT ANSWER-a type of heterotroph that
eats only other heterotrophs
carrying capacity - CORRECT ANSWER-the largest number of
individuals that an environment can support
chemosynthesis - CORRECT ANSWER-biological process that
harnesses the potential energy of chemicals to produce energy
rich carbohydrates
, commensalism - CORRECT ANSWER-community interaction
in which one species benefits and the other neither benefits nor
is harmed by the interaction
community - CORRECT ANSWER-a group of different
populations that live in the same area
competitive exclusion principle - CORRECT ANSWER-
fundamental rule in ecology that no two species can occupy the
same niche in the same habitat at the same time
coniferous - CORRECT ANSWER-vegetation that produces
seed cones and have needles rather than large leaves
consumer - CORRECT ANSWER-organisms that rely on other
organisms for energy and food molecules
deciduous - CORRECT ANSWER-vegetation that loses its
leaves either in the cold or dry season(s) of the year
decomposer - CORRECT ANSWER-bacteria and fungi that
break down organic matter
denitrification - CORRECT ANSWER-process that converts
nitrates and nitrites back into nitrogen gas
detritivore - CORRECT ANSWER-a type of heterotroph that
eats only plant and animal remains
detritus - CORRECT ANSWER-tiny fragments of dead plant
and animal material
ecological pyramid - CORRECT ANSWER-a diagram that
shows the relative amounts of energy or matter contained
within each trophic level of a food chain or food web
CORRECT ANSWERS
abiotic factor - CORRECT ANSWER-a physical or nonliving
influence on organisms within an ecosystem
autotroph - CORRECT ANSWER-an organism that can capture
energy from sunlight or chemicals to produce food
biomass - CORRECT ANSWER-the total amount of living
tissue within a given trophic level
biome - CORRECT ANSWER-a group of ecosystems that have
a climate and similar dominant communities
biosphere - CORRECT ANSWER-the combined portion of the
planet where all life exists
biotic factor - CORRECT ANSWER-a biological influence on
organisms within an ecosystem
carnivore - CORRECT ANSWER-a type of heterotroph that
eats only other heterotrophs
carrying capacity - CORRECT ANSWER-the largest number of
individuals that an environment can support
chemosynthesis - CORRECT ANSWER-biological process that
harnesses the potential energy of chemicals to produce energy
rich carbohydrates
, commensalism - CORRECT ANSWER-community interaction
in which one species benefits and the other neither benefits nor
is harmed by the interaction
community - CORRECT ANSWER-a group of different
populations that live in the same area
competitive exclusion principle - CORRECT ANSWER-
fundamental rule in ecology that no two species can occupy the
same niche in the same habitat at the same time
coniferous - CORRECT ANSWER-vegetation that produces
seed cones and have needles rather than large leaves
consumer - CORRECT ANSWER-organisms that rely on other
organisms for energy and food molecules
deciduous - CORRECT ANSWER-vegetation that loses its
leaves either in the cold or dry season(s) of the year
decomposer - CORRECT ANSWER-bacteria and fungi that
break down organic matter
denitrification - CORRECT ANSWER-process that converts
nitrates and nitrites back into nitrogen gas
detritivore - CORRECT ANSWER-a type of heterotroph that
eats only plant and animal remains
detritus - CORRECT ANSWER-tiny fragments of dead plant
and animal material
ecological pyramid - CORRECT ANSWER-a diagram that
shows the relative amounts of energy or matter contained
within each trophic level of a food chain or food web
