A food chain shows a single connected path of energy flow through an ecosystem. It shows the different levels of eating in an ecosystem. Both a good web and a good chain include a number of organisms including both producers and consumers. A food chain is very simple while a food web is complex and consists of a number of food chains. In a food chain each organism has only one consumer or producer.
D is the answer because carbondioxide and oxygen are both needed for plants or green plants to survive.
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If I remember that abiotic means not living then rocks, soil, air.
Answer:
A. The mutation will become more common
Explanation: