A Part of the Ocean where sunlight can Penetrate and where most Ocean Organisms Dwell
Dictionary > Photic Zone
You will also like...

The Evolutionary Development of Multicellular Organisms
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..

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

The Human Nervous System
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..

Human Perception – Neurology
This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..

Consciousness and Behavior
Human consciousness and behavior are an interesting topic since they are determined and controlled by the brain. Conscio..

IQ, Creativity and Learning
Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..