Name one reason for the extinction of a species.

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.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Nucleic acids offer variability because they contain alternate forms of genes called .