Based on principles laid out by William Smith almost a hundred years before the publication of Charles Darwin 's theory of evolutionthe principles of succession were developed independently of evolutionary thought. Major Eons, Eras, Periods and Epochs. In fact, we can put together a timeline. Email Email is required. The videos are short, to the point, and the quiz allows me to test their knowledge on whatever subject in social studies I am teaching at the time. Mugglestone, R. Nevertheless, they can provide an abundance of useful information.
At the start, let me clarify that my main concern is not the age of the earth, the moon, or the solar system, but rather the age of life, that is, how long has life existed on earth.
Like this lesson Share. High School Biology: Scientists from the former Soviet Union lead the study of melt inclusions in the decades after World War II Sobolev and Kostyuk,and developed methods for heating melt inclusions under a microscope, so changes could be directly observed.