What percentage of known species are invertebrates? 

A. 75%
B. 50%
C. 35%
D. 65%


Answer: D

Environmental & Atmospheric Sciences

You might also like to view...

From 1980-2017, there were ________ billion dollar loses due to weather and climate related disasters.

A. 1900 B. 190 C. 19 D. 109

Environmental & Atmospheric Sciences

Which of the following factors contributed to the Dutch losing control of their settlements in North America?

A) Native attacks on Dutch settlements were too costly, with too little reward. B) The British government bought the Dutch settlements and land in exchange for concessions in continental Europe. C) Dutch settlements were disorganized and the government had trouble maintaining control. D) Dutch settlers were considered employees of the Dutch East India Company leading many settlers to leave for increased freedom in British colonies.

Environmental & Atmospheric Sciences

Yellowstone National Park is underlain by an ancient volcanic caldera and current thermal activity and uplift there may signal future eruption potential.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

The primary gatherers of water in the developing world are

A) elderly people of both sexes B) young boys C) women and children D) small children of both sexes E) able-bodied young men

Environmental & Atmospheric Sciences