Adding an organism to a food chain does not affect the other members of the food chain, but removing an organism tf

The producer starts the food chain by capturing solar energy and producing chemical energy stored in the bonds of glucose. You would also see an effect on the consumers of the frogs which are the snakes. They would lose an organism that they feed on which can cause their numbers to decrease.

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a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.