APES Unit 3 Review (ch 8-11)

Ocean acidification is caused by increased the absorption of ____ from the atmosphere.

CITES is a(n) ____.

Which human activity is leastlikely to be a major threat to marine systems?

Sea-bottom habitats arebeing threatened by ____.

Which of the following characteristics would NOT make a species vulnerable to extinction?

Allowsdevelopers to lease land for mining

The best way to limit theimpact of invasive species is to ____.

Removing individual intermediate-agedor mature trees from a forest is known as ____.

Aquaticecosystems provide all of the following ecosystem services except

The key role of a honeybeeis to ____ plants and flowers.

Which does not help to determine the organisms found in the layers of aquatic systems?

Unfenced grasslands in that supplyforage for grazing animals are called ____.

The extinction of manyspecies in a relatively short period of geologic time is called ____.

Which of the following is not an economic service providedby forests?

The first letter"P" in the acronym HIPPCO stands for ____.

By-catch refers to which of the following?

A beneficial aspect of forest fires is 

In large lakes, there arefour distinct zones. Which of the following is not one of those zones?

Which zone do organisms need to be able to survive living under water and out of water?

An old-growth forest isa(n) ____.

Most photosynthesis in theopen ocean occurs in the ____.

Theextinction of which of the following would be the most devastating to life onEarth?

All of thefollowing are human controlled approaches to restore ecosystems except

In a lake, the open, sunlit surface area away from the shore is in whichzone?

An endangered species ____.