Which of the following characterizes the exoskeleton in arthropods? a. It is soft and flexible. c. It covers less than 50% of the body. b. It is composed of chitin. d. It provides protection from dehydration.

Which unmanned craft is used to collect data about bodies in space? A) rover B) satellite C) space probe D) space station

Polar climates normally get blank amounts of precipitation

Pathogenesis is the term used to describe the sequence of cellular and tissue events that occur from the time of first contact with an etiologic agent until the disease becomes evident. What is another way of defining pathogenesis? a.

What's the functions of each individual structure in a cell's nucleus?

Farmer Bob decides to use a compound pulley to raise a box up to the top of his barn. What is the purpose of using a simple machine in this case?

Which would not form an organic fuel

Amy suggests that although other species need to be concerned about air pollution, human beings are different because they can develop the technology to live with it. amy supports:

Explain why red-green color blindness occurs more frequently in males than females?

A system for naming species using a 2 word naming system is called

What did darwin call the "preservation of favorable variations and the elimination of injurious variations"?