Describe how the nervous and endocrine systems work together to maintain homeostasis.

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

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 is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic