Module 3 Flashcards
The study of the interactions between living and non living things
Ecology
A group of interbreeding organisms coexisting together
Population
A group of populations living and interacting in the same area
Community
An association of living organisms and their physical environment
Ecosystem
A group of ecosystems classified by climate and plant life
Biome
The sum of all of earth’s ecosystems in land, water, and air
Biosphere
A unit of one or more populations of individuals that can reproduce under normal conditions, produce fertile offspring, and are reproductively isolated from other such units
Species
Any living part of an environment
Biotic factors
The nonliving physical and chemical conditions affecting organisms
Abiotic factors
Organisms that produce their own food
Producers
Organisms that eat living producers and/or other consumers for food
Consumers
Organisms that break down the dead remains of other organisms
Decomposers
An organism that eats producers
Primary consumer
An organism that eats primary consumers
Secondary consumer
An organism that eats secondary consumer
Tertiary consumers
An organism that eats tertiary consumers
Quaternary consumer
A series of steps in which organisms transfer energy by eating and being eaten
Food chain
Links all the food chains in an ecosystem together
Food web
A measure of the total amount of living tissue of organisms within a trophic level in a ecosystem
Biomass
Rate at which producers in an ecosystem build biomass
Primary productivity
Pyramid-shaped diagrams that show the amount of energy or matter at each trophic level in an ecosystem
Ecological pyramid
Evaporation of water from the leaves of a plant
Transpiration