A food web has many different links; It links off into different animals. Where as a food chains just a line of single animals that eat those animals for example: like hawks eat bunnies and bunnies eat grass and grass is the producer.
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Answer:
One is a plant and the other is a mushroom.
Explanation:
When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the C. experimental. Experimental variables are the things you are studying in the experiment and it is the only variable you can change.