Carbon-12
The standard of atomic mass, 98.90% of natural carbon.
Dictionary > Carbon-12
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The Origins of Life
This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the form of a timeline. Find out how life arrived on Earth, why, and how living things evolved into their current diversities today. Objectives To be familiar with the different geological periods and the major..
The Human Physiology
Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiological attributes of the human body at various levels of organization, i.e. from cellular to tissue and ultimately, physiology at the biological system level. Human physiology is important because it imparts an in-depth understanding of the vital processes that..
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Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons and the zooplanktons. Learn the differences between the two in this tutorial...
