If an organism has one cell, they are single celled. Not to be confused with uni-cellular
Dictionary > Single-celled
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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..
