The human body is quite complex; it has many systems that work non-stop to keep us alive and healthy. Learn more about one of those systems, the circulatory system, with these assessment materials. About This Quiz & Worksheet Quiz questions will check your understanding on the following: ...
from tool use to upright walking?, see Fig.12). We argue that it is productive to discuss with students the tentative and incomplete nature of these models, as well as the complexity of finding answers to these questions, as these are precisely the questions that evolutionary biologists engage...