Question

1. mutations in evolutionary processes: are always beneficial provide potential variations for natural selection are completely predictable guarantee species improvement

Explanation:

Mutations are random changes in DNA. They can be beneficial, harmful or neutral. They provide the raw - material for natural selection by introducing variations in a population. They are not always beneficial, not completely predictable, and do not guarantee species improvement as most mutations are neutral or harmful.

Answer:

Provide potential variations for natural selection