Which of these birds most likely inherited the best trait for life in a dry, desert environment? Why?

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

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

What is the primary function of the nervous system?