Teacher Guide & Answers

precautions can prevent accidents in the science. laboratory. 14. A theory is an explanation based on many. observations. Theories can be changed as new. information is gathered. A law is a rule of. nature. Section 2 (page 2) 1. Living things grow. 2. Living things reproduce. 3. Living things are made of one or more cells; living things are ... ................
................

In order to avoid copyright disputes, this page is only a partial summary.