Instead of defining life scientist have decided to what

What are some characteristics of a free enterprise economy?

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

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above