1. _____ important development of the Neolithic age was not in the manufacture of stone tools but in the production of food.

2. Oxygen and nutrients reach the body’s tissues _____ from the blood through the capillary wall.

3. The distinguishing feature of a fluid, in contrast to a solid, is the ease _____ .

4. The Texas Legislature selected Vassar Miller _____ in 1982, and again in 1988.

5. From the archeologist’s perspective, understanding the past is vitally important and requires ______ of earlier cultures.

6. Using many symbols makes _____ to put a large amount of information on a single map.

7. The large compound eyes of the dragonfly _____ to see moving objects almost eighteen feet away.

8. In central Georgia, archaeological evidence indicates that Native Americans first inhabited the area _____.

9. _____ their senses, many-celled animals perceive what is happening in their environment.

10. Robert S. Duncanson was considered a painter of the Hudson River school, _____on scenes of America’s untamed wilderness.

11. _____ all data into electronic pulses.

12. Desert animals _____a means of retaining moisture in such a hot, dry climate if they are to survive.

13. The mechanism by which brain cells store memories is _____clearly understood.

14. Most substances contract when they freeze so that the density of a substance’s solid is _____of its liquid.

15. When _____in arctic regions, the Aleuts construct igloos as temporary winter shelters.