An ecosystem that has a high level of is able to fill all of its niches.
pollution
carbon dioxide
biodiversity
salt water

Why do german shepherds shed so much

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?