1. which structure (s) in primates enables them to develop complex social systems?
a. a well-developed cerebrum
b. a long tail
c. thumbs and big toes
d. a skeleton designed for climbing

Match the order of the levels of organization in nature with the correct description. example: atoms are fundamental units of matter= level 1levels- 2,3,4,5,6,7,8.now what levels are these? population consists of organismscells consist of moleculesecosystems consist of communities interacting with there environmentmolecules consist of atomsthe biosphere consist of all ecosystems on earthcommunities consists of populationorganisms consist of cells