Excurrent

The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..

Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..

Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..

Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..

Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..

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