Which causes genetic variations and can result in different alleles? *

mutation

Explanation:

Random mating, random fertilization, and recombination between homologous chromosomes during meiosis(which reshuffles alleles within an organism's offspring).

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kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above