Module 10 Flashcards
Define “population”.
A group of interbreeding organisms coexisting together.
Define “community”.
A group of populations living and interacting together.
Define “ecosystem”.
An association of living organisms and their physical environment.
Define “biome”.
A group of ecosystems classified by climate and plant life.
Define “ecology”.
The study of the interactions between living and nonliving things.
Define “primary consumer”.
An organism that eats producers.
Define “secondary consumer”.
An organism that eats primary consumers.
Define “tertiary consumer”.
An organism that eats secondary consumers.
Define “ecological pyramid”.
A diagram that shows the biomass of organisms at each trophic level.
Define “biomass”.
A measure of the total dry mass of organisms within a particular region.
Define “transpiration”.
Evaporation of water from the leaves of a plant.
Define “watershed”.
An ecosystem where all water runoff drains into a single body of water.
Define “greenhouse effect”.
The process by which certain gases (principally water vapour, carbon dioxide, and methane) trap heat that would otherwise escape the earth and radiate into space.
How is oxygen removed from the air?
Respiration of organisms, fire, ozone formation, and rusting.
How is oxygen restored to the air?
Photosynthesis, ozone destruction, and water vapour destruction.
