I would say energy myself, and this is because energy plays a key role in all of these. With trophic levels energy is being transferred amongst the levels. Food chain's is a map of how the energy is passed along the chain. Food web is a web of how energy is transferred, and this is why I would say energy is a keyword.
A food chain is a simple linear sequence of transfer of food and energy when one organism is consumed by another organism. A food chain includes tropic levels according to the feeding organisms. In an energy pyramid representing a food chain the energy from the bottom to the top of the trophic level will decrease. A food web is an interconnection of two or more food chains.
According to the above explanation this can be said that the food web includes all the other words.
B. Experimental Bias because she she bought chocolate, but then she bought lowfat vanilla ice cream unknowingly. Therefore, the people liked more of the chocolate ice cream.
3:1.<span> The physical appearance of the </span>offspring<span> will be 3 </span>organisms<span> that look like the </span>parents<span>: 1 individual that differs in appearance.</span>
