Which statement about natural selection is true? environmental changes drive differential reproduction. differential reproduction causes environmental changes. environmental changes determine which animals survive. overproduction of offspring drives environmental changes.

Which level of consumer had access to the smallest apply of energy

'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.

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures