The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
This tutorial elucidates body temperature regulation. Know the details here to learn how the body sets the body temperat..
Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..