Studied by 1 personEcology
Biotic
Living Things
Abiotic
Nonliving things
Density-Dependent Limiting Factor
ecological factor that affects the population growth or size relation to population size.
Density-Independent Limiting Factor
Producer
organisms that make their own food
Consumer
a organism that must eat other plants/animals to get energy
Primary Consumer
organisms that feed on primary producers (plants)
Secondary Consumers
organisms that eats primary consumers
Decomposer
organisms that feed/break down dead plants/animals
Trophic Level
a position of an organism in the food chain
Keystone Species
organism that helps define an entire ecosystem
Population
group of individuals of the same species living and interbreeding within a given area
Community
a group of species that are commonly found together.
Ecosystem
a biological communitiy of interacting organisms in a environment
Survivorship
a visualization of the numbers of individuals in a population with in time
Exponential Growth
a continouous increase or decrease in a population proportional to the number of indivdials at a given time
Logistic Growth
When the growth rates decrease as the population reaches carrying capacity
Carrying Capacity
maximum population size in a environment
Demography
science of populations
Primary Productivity
organisms that can produce their own food through photosynthesis
Succession
change in speecies,sturcutre or vegetation through time
Biogeochemical Cycle
any natural pathways by living matter is circulated
Nitrogen Fixation
a chemical process that converts atmospheric nitrogen into ammonia which is absobed by organisms
Note
Flashcard