Urban sprawl ____.

Which of the following is an example of an ecosystem service provided by forests?

   vinagre  sopa  aceite

Which of the following is a result of a declining population?

A species of snake has evolved resistance to a poisonous newt, allowing the snakes to prey on the newts. The newts have become more poisonous over time, as a result, leading to a kind of evolutionary arms race. This is an example of ____.

True or False: The sugars available for cattle are molasses, glucose, sucrose, fructose, and starches. 

The sphincter that controls the release of chyme from the stomach into the small intestine is the:

The ocean covers ____ of the earth’s surface.

   mantequilla  ajo  cebolla

True or False: Concentrates for cattle include cereal grains, oil meals, molasses, and dried milk products