A(n) ____________________ ____________________ is a limestone structure constructed by living organisms, some
of which contribute skeletal materials to the reef framework. Fill in the blank(s) with the appropriate word(s).
organic reef
barrier reef
You might also like to view...
What happens to ecosystems when a keystone species is lost?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. Europe is largely made up of peninsulas. 2. Europe is a peninsula of the Eurasian continent. 3. European countries are known for their zero population growth. 4. Two of Europe's major industries are automobiles and airplanes. 5. Most of the Eastern European countries adhere to the same religion.
The Centers for Disease Control and Prevention employs many people who study epidemiology. Which of the following best describes the roles of people at the CDC?
A) identifying new types of infectious disease. B) the prevention of infectious disease. C) the worldwide distribution of infectious disease. D) identifying, tracking the spread of, and preventing infectious disease.
The United States and Canada produce 99% of the world's exports of what crop, most of which is produced in the Great Plains?
A) Corn B) Wheat C) Sunflowers D) Cotton