Which of the following is generally not an effect of having high rates of infectious disease (like malaria) within a population?

High economic growth rates
The effect of having high rates of infectious disease in a population such as malaria may include high infant mortality rates, high health care costs and of course there is high absenteeism in the workplace. Only high economic growth rate is not among those effects.

An ecosystem is in a certain area and includes living and non living plus there is weather conditions and a biome is a large amount of area with similar climate.so ecosystem is based on weather and biome is based on the average climate 

Gay-lussac's law i think.