An enzyme (catalase) is found in liver cells. Its function is to break down its substrate (hydrogen peroxide) into harmless water and oxygen. What will happen to the enzyme (catalase) if the amount of substrate (hydrogen peroxide) keeps increasing?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area