A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..
Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..