22 terms

TuHS Got Tuna: Ecosystems & Relationships

STUDY
PLAY
Producer
An organism that can make its own food by using energy from its surroundings
Consumer
An organism that obtains energy by feeding on other organisms
Omnivore
A consumer that eats both plants and animals
Herbivore
organism that obtains energy by eating only plants
Carnivore
A consumer that eats only animals.
Carrying capacity
Largest number of individuals of a population that a environment can support
limiting factor
Any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms.
Biotic
Describes living factors in the ecosystem.
Abiotic
non-living things in the ecosystem
logistic growth
Growth pattern in which a population's growth rate slows or stops following a period of exponential growth
exponential growth
growth whose rate becomes ever more rapid in proportion to the growing total number or size.
density dependent factors
limiting factor that depends on population size
Density independent factors
limiting factor that affects all populations in similar ways, regardless of population size
Population
A group of individuals that belong to the same species and live in the same area
population density
Number of individuals per unit area
food web
A community of organisms where there are several interrelated food chains
food chain
series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
competition
the struggle between organisms to survive in a habitat with limited resources
Emigration
movement of individuals out of an area
imigration
Movement of individuals into a population
Ecosystem
A biological community of interacting organisms and their physical environment.
Biodiversity
The number of different species in an area
YOU MIGHT ALSO LIKE...