Biodiversity Includes Knowledge Diversity

According to many textbooks, an ecosystem is defined as a community of living organisms interacting with each other and the nonliving components of their environment. Whenever I introduce this concept to students, I ask them to consider what is meant by "living" and "nonliving." Common examples of "nonliving" parts of an ecosystem include air (oxygen, carbon … Continue reading Biodiversity Includes Knowledge Diversity

Signs of Spring

Friends in the northeast are getting pummeled by one deep freeze after another, but here in the Midwest, spring has made its presence felt. The sun shines bright over warm and breezy days. Daffodils are pushing up through the dirt. Birds defend their territories and build nests, and the grass looks greener every time I … Continue reading Signs of Spring