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Approximately 10% of the stored energy of an organism at one level of a food web is transferred to the tissue of the organism that consumes it at the next level of the food web.
<h3>What is food web and its importance ?</h3>
A food web consists of all the food chains in a single ecosystem. Each living thing in an ecosystem is a part multiple food chains. The importance of food webs is to describe feeding relationship among species in a community.
On an average only about 10 percent of energy stored as biomass in a trophic level is passed from one level to the next.
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They come from the atmosphere, since plants use carbon dioxide to produce carbohydrates :)
Answer:
D: Nonpolar covalent bonds involve two atoms that have equal electonegativity whereas polar covalent bonds involve two atoms that are unequal in their electronegativity.
Explanation: