Which of the following statements about biodiversity is not true?
a.

changes to biodiversity never occur naturally.
b.

changes to biodiversity can lead to a decrease in ecosystem stability.
c.

changes to biodiversity can positively and negatively affect on an ecosystem.
d.

changes to biodiversity can lead to an increase in ecosystem stability.

c) changes to biodiversity can positively and negatively affect on an ecosystem

Explanation:

the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.