Origin and Distribution

The red alga, Grateloupia turuturu is native to what part of the world?
  A. Africa.
  B. North America.
  C. South America.
  D. Europe.
  E. Asia.

Transportation

Which one of the following is NOT a likely pathway by which Grateloupia spreads?
  A. Ballast water.
  B. Shellfish shipments packed in seaweed.
  C. Intentional introduction by home aquarist.
  D. Attached to a ship's hull.

Environmental Impact

As it competes for light, space, and nutrients, how much of the invaded habitat can Grateloupia cover?
  A. 50%.
  B. 25%.
  C. 75%.
  D. 100%.

Economic Impact

In its native habitat, Grateloupia is used for which beneficial purposes?
  A. Carrageenan, a thickening agent.
  B. Human food.
  C. Animal food.
  D. A & B.
  E. B & C.

Control

There is at least one known control for this invasive red algae.
  True
  False