A food chain follows one path of energy and materials between species. A food web is more complex and is a whole system of connected food chains. In a food web, organisms are placed into different trophic levels. ... Producers are the basic trophic level while top predators are the peak level.
The answer is A) food web. B is not actually a thing, and C and D are very different vocab words.
<span>The summer solstice is the longest day of the year because the earth is tilted toward the sun</span>