Environmental Quiz

Which of the following would have the biggest impact on achieving global sustainability?

Reducing human population size

Prior to the 1650s, the wood bison population in North America remained close to the carrying capacity of its habitat. The generalized growth curve and the reproductive strategy of the wood bison were, respectively

an S-curve and K selection

Region that contains the majority of molecules in the atmosphere

Troposphere

Most of the nitrogen in forest soil normally comes from

Bacteria that carry out nitrogen fixation

A greenhouse gas that is exclusively anthropogenic

CCl2F2

In which biome would you find plants that are deep, dark green growing in relatively rich soil?

Coniferous forest

Nitrogen is one of the most important components of fertilizer. The other two major components of

K and P

Toxins in the food chain are magnified as you go to higher and higher trophic levels. This is because...

Many toxins are not cleared from tissues, so each animal that eats another retains a relatively

Region where the majority of the protective ozone layer is located

Stratosphere

Which of the following will occur if the trend of global temperature increase continues?

The troposphere will contain more water vapor.

In which biome would you find epiphytes, lianas(vines) and understory plants with large leaf surfaces?

Tropical rainforest

If excessive amounts of hot water are discharged into a lake, the immediate result will most likely be

a decrease in the amount of dissolved oxygen in the lake