TuHS Got Tuna: Ecosystems & Relationships
Terms in this set (22)
An organism that can make its own food by using energy from its surroundings
An organism that obtains energy by feeding on other organisms
A consumer that eats both plants and animals
organism that obtains energy by eating only plants
A consumer that eats only animals.
Largest number of individuals of a population that a environment can support
Any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms.
Describes living factors in the ecosystem.
non-living things in the ecosystem
Growth pattern in which a population's growth rate slows or stops following a period of 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
A group of individuals that belong to the same species and live in the same area
Number of individuals per unit area
A community of organisms where there are several interrelated food chains
series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
the struggle between organisms to survive in a habitat with limited resources
movement of individuals out of an area
Movement of individuals into a population
A biological community of interacting organisms and their physical environment.
The number of different species in an area