Wildlife Biology Flashcards
community of interacting organisms and their physical environment.
ecosystem
living things that make up an ecosystem
Biotic Factors
all non-living things in an ecosystem
Abiotic Factors
an individual animal, plant, or single-celled life form
organism
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding
species
amount of animals living in a particular area
population
a particular area or place considered together with its inhabitants
community
the natural home or environment of an animal, plant, or other organism.
habitat
the process whereby organisms better adapted to their environment tend to survive
natural selection
organisms are thought to have developed and diversified
evolution
organisms that produce energy
producers/ autotrophs
an organism deriving its nutritional requirements from complex organic substances.
consumers/ heterotrophs
herbivores
primary consumer
carnivores
secondary consumer
omnivores
tertiary consumer
plant eating animals
herbivores
meat eating animals
carnivores
plant and meat eating anmals
omnivers
organisms that break down waste material
decomposers
a series of organisms each dependent on the next as a source of food.
food chain
a system of interlocking and interdependent food chains.
food web
model of energy flow in a community
energy pyramid
the series of processes by which carbon compounds are created
carbon cycle
the series of process by nitrogen is created
nitrogen cycle
is the process of change in the species structure
ecological succession
environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as
primary succession