I believe the answer is: biological
The biological level in this context refers to the intellectual capabilities of the poor people. In their studies, they use iq level as the idependent behavior and economic wealth as the dependent behavior in order to see if there is a strong correlation between the two.
Jamestown Virginia was the strongest in the 1700s
Answer: raising crops, cattle and sheep
Explanation:The Spanish settlements grew quickly. Colonists joined the New World life for a variety of reasons. Some came merely for the sake of adventure, some were dazzled by the lure of golden treasures, still others had as a purpose the spread of Christianity to the Native Americans. Some settlers lived on great farms or ranches while others settled around the towns. Both shared common occupations of raising crops, cattle, and sheep.
