Questions: a. 2 b. 6 c. 3 d. 2 e. 1 f. 5 g. 4

The answer is:

1. Prehistoric sculpture - e. Carved from basic stone using simple tools; typically focused on fertility images like Venus statues.
2. African sculpture - d. Figurines, nuts and plaques used to show achievements of the Oba empire; example would be the Benin Bronzes.
3. Greek and Roman sculpture - c. Carved from marble and highly concerned with the idealized human form; oftentimes were part of the structure of large architectural buildings like the Parthenon.
4. China sculpture - g. Extremely famous example of sculpture made of a terracotta army of 8,000 soldiers.
5. Bronze Age sculpture - f. Early method of sculptures using the lost wax process; oldest example is from Indus Valley called Dancing Girl.
6. New World sculpture - b. Aztecs incorporated the skull Motif and Olmecs use rock to create colossal heads showing distinct characteristics of Olmec rulers.
7. Ancient sculpture - a. Used panels and small statuary to decorate buildings and pay tribute or as burial goods.

Explanation:

1. Prehistoric sculpture (e): Prehistoric sculptures, such as the Venus figurines, were often carved from basic stone using simple tools and focused on fertility images.
2. African sculpture (d): African sculptures, like the Benin Bronzes, include figurines, nuts, and plaques that show the achievements of the Oba empire.
3. Greek and Roman sculpture (c): Greek and Roman sculptures were often carved from marble and focused on the idealized human form, frequently integrated into large architectural structures like the Parthenon.
4. China sculpture (g): The Terracotta Army in China is a famous example of sculpture, consisting of 8,000 soldiers made from terracotta.
5. Bronze Age sculpture (f): The Bronze Age saw the use of the lost wax process for creating sculptures, with the "Dancing Girl" from the Indus Valley being one of the oldest examples.
6. New World sculpture (b): New World sculptures include the colossal heads created by the Olmecs and the skull motifs used by the Aztecs.
7. Ancient sculpture (a): Ancient sculptures often used panels and small statuary to decorate buildings, pay tribute, or serve as burial goods.