biology 9th grade ch. 1

1. biology is branch of science that studies about life.
2. there are several kinds of branch in biology, they are zoology, botany, anatomy, physiology and many others.
3. living things have general abilities.
4. they are the ability to find or make food, the ability to move by themselves, the ability to excrete waste materials, the ability to grow and the ability to reproduce.
5. evolution means the ability of living things to adapt on their surrounding by developing their physical abilities.
6. extinction means the failure of living things to breed their own kinds.