Ecology Vocab Words

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abiotic
nonliving, physical features of the environment, including air, water, sunlight, soil, temperature, and climate
adaptation
inherited characteristic that improves an organism’s ability to survive and reproduce in a particular environment
biotic
Pertaining to life; environmental factors created by living organisms
carnivore
organism that obtains energy by eating animals
commensalisms
type of symbiotic relationship where one organism is benefited and the other is neither helped or harmed
community
(ecology) a group of interdependent organisms inhabiting the same region and interacting with each other
competition
the struggle between organisms to survive in a habitat with limited resources
consumer
an organism that obtains energy by feeding on other organisms
cycle
an interval during which a recurring sequence of events occurs
death rate
the ratio of deaths in an area to the population of that area
decomposer
organism that breaks down and obtains energy from dead organic matter
ecosystem
a system formed by the interaction of a community of organisms with their physical environment
endangered
in danger of becoming extinct
environment
all of the surrounding things, conditions, and influences affecting the growth or development of living things.
extinct
no longer in existence
habitat
the type of environment in which an organism or group normally lives or occurs
herbivore
any animal that feeds chiefly on grass and other plants
interdependence
the dependence of every organism on its connections with other living and nonliving parts of its environment
niche
(ecology) the status of an organism within its environment and community (affecting its survival as a species)
omnivore
organism that obtains energy by eating both plants and animals
population
a group of organisms of the same species populating a given area
predator
a organism the feeds directly on other organisms in order to survive
prey
an organism that is killed and eaten by another organism
primary consumer
An organism that eats producers
primary succession
an ecological succession that begins in a an area where no biotic community previously existed
producer
an organism that can make its own food by using energy from its surroundings
scavenger
any animal that feeds on refuse and other decaying organic matter
secondary consumer
An organism that eats primary consumers
secondary succession
the series of changes that occur after a disturbance of an existing ecosystem
species
a group of similar organisms that can mate with each other and produce fertile offspring
stress
the consequence of the failure of an organism to respond appropriately to emotional or physical threats
tertiary consumer
An organism that eats secondary consumers, also called third level consumers
birth rate
the ratio of live births in an area to the population of that area
Categories: Vocabulary