Which best summarizes the effects of mutations on organisms? Mutations are sometimes helpful, sometimes harmful, and sometimes neutral.
Mutations are usually harmful, sometimes neutral, and never helpful.
Mutations are sometimes neutral, sometimes helpful, and never harmful.
Mutations are always harmful, never helpful, and never neutral.

Rotenone is an insecticide that is toxic

Talking listening and reacting non verbally are all part of communicating

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.