What is the primary difference between a food web and a food chain?

A food web consists of many food chains. A food chain only follows just one path as animals find food. eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected.

Explanation:

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answer; a muscle cell, another neuron and a of the above

answer; i believe that the correct answer is(d) nondisjunction during meiosis;