Competitive exclusion occurs when "<span>a. organisms attempt to fill the same niche" mostly due to the fact that they are competing over the same food source, which is always limited in some way.</span>
The answer is C (Enduring)
Answer:
1) large population centers; (2) monumental architecture and unique art styles; (3) shared communication strategies; (4) systems for administering territories; (5) a complex division of labor; and (6) the division of people into social and economic classes.
Source: Key Components of Civilization - National Geographic Society
<span>atmospheric perspective.
</span>
<span>Da Vinci is largely responsible for formulating the rules of the effects of light and air in the landscape. It was a </span><span>method of creating the illusion of depth, or
recession, in a painting or drawing by modulating color to simulate
changes effected by the atmosphere on the colors of things seen at a distance.</span>
