I believe the correct answer is A. Increases the rate of a chemical reaction. This is because they act as catalysts.
Non-profit organizations usually depend on grants or fund raising to cover their expenses so they must be very careful with their expenses.One consequence of this dependence can be running out of money. If they depend on fundraising and have regular fund raising campaigns then they have more independence as they rely on their own efforts to raise money rather than on government which can interfere in how they want to run their affairs.
The new population that experienced natural selection is now better fit or more adapted to the environment than the old population
The Earth was first considered habitable when we discovered that it was Microbial organisms that started the process. I would go with D.
Answer: Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. ... Directional selection does the “heavy lifting” of evolution by tending to move the trait mean toward the optimum for the environment.
