Which of these is an example of natural selection? The largest animal in a population will have more opportunities for reproduction.

Several species of organisms work together so that they all succeed.

One species takes all the resources in an environment leaving none for others.

Organisms that are best suited to an environment tend to survive and reproduce more often.

Which type of current is produced by a wire breaking magnetic field lines and changing the polarity? a. alternating b. direct c. straight d. alternating and direct

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i. e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.