The fossil record shows that life on earth has changed over time. for example, paleontologists have found that older rocks contain fossils a. organisms that are simpler than those alive today b. only organisms that are still alive today c. organisms that are more complex than those alive today d. both simple and complex organisms

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

Explain why process 2 is so important to sexual reproduction identify processes 1 and 3 state one difference between the cells produced by process 1 and cells produced by process 3

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.