A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..
This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..
Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..
Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....
Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..
