IB Environmental Systems and Societies Tests Bundle

system Answer An entity with at least two components (parts) that are linked and interact in some way. open system Answer Allow energy or matter to enter or leave the boundaries of the system. A clear example is the human body. closed system Answer allow energy to enter or leave but matter is ...

Biotic factors Answer the living organisms in an ecosystem abiotic factors Answer the non-living factors in an ecosystem trophic level Answer the position an organism occupies in a food chain as a result of its feeding habits food chain Answer a simple linear relationship which shows how en...

Abiotic Factor Answer A non-living, physical factor that may influence an organism or ecosystem; i.e. temperature, sunlight, pH, salinity, precipitation Biochemical Oxygen Demand (BOD) Answer A measure of the amount of dissolved oxygen required to break down the organic material in a given volume...

Demographics Answer the study of the dynamics of population change Exponential curve- Answer when populations follow an accelerating rate of growth which is proportional to the population size Crude Birth Rate (CBR) Answer number of births per thousand individuals in a population per year C...