Ecology Flashcards
Ecosystem
A biological community of interacting species
Biotic Factors
Living components that affects another organisms
Abiotic Factors
Non living chemicals
Organisms
An individual life-form, animal, plants
Species
Largest group of organisms
Population
All the organism of the same species living in a common area
Community
an interacting group of various species in a common location
Habitat
place where an organism or a community of organisms lives, including all living and nonliving factors or conditions of the surrounding environment
Natural selection
organisms better adapted to the environment and are tend to survive
Evolution
is the process by which organisms change over time
Producers / autotrophs
an organism that is able to form food for itself
Consumers / heterotrophs
can’t produce its own food
Primary consumer
is a consumer that feeds on the primary producer
Secondary consumer
Second position in the food chain
Tertiary consumer
The top of the food chain
Herbivores
Eats plants
Carnivores
Eats meats and other organisms
Omnivores
Eats both meat and plants
Decomposers
an organism that decomposes organic material
Food chain
Is a chain of organisms that are dependent on the ones below it
Food web
a system of interlocking food chains
Energy pyramid
is graph of energy flow in a community
Carbon cycle
the series of processes by which carbon compounds are consumed in the environment
Nitrogen cycle
the series of processes by which nitrogen and its compounds are consumed in the environment
