A food web describes the flow<span> of </span>energy<span> and nutrients </span>through<span> an ecosystem, ... Organisms </span>can<span> be organized into trophic levels: primary producer, primary ... In both </span>food webs<span> and </span>food chains<span>, arrows point from an organism that is </span>consumed<span> to ... of trophic </span>energy<span> transfers, the </span>amount of energy<span>remaining in the </span>food chain<span> ...</span>
B organelles that are specific
His answer is correct I agreeon that
7. Heat
8. Coal
9. Silicon
11. Weathering
12. Chemical weathering
<span> divergent, convergent, and parallel <span>evolution</span></span>