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Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..