Curated OER
Secondary Science Program: The Six Kingdoms
A short overview of the six kingdoms in our scientific classification system: Plants, Animals, Protists, Fungi, Archaebacteria, and Eubacteria. A good explanation of how organisms are placed in their particular kingdom.
Other
Missouri Conservationist Online: Missouri Cave Life
Excellent article describing a trip inside a cave. The article discusses the cave habitat and changes that occur as you go deeper into the cave. Includes interesting photographs.
Other
Alternative Classifications of Life
The Linnaean system (1758) classified all macroscopic living organisms as either Animals or Plants, based on whether they moved [anima, with a soul] or not. Thus, Fungi were included as plants. With the invention of the microscope and...
CK-12 Foundation
Ck 12: Barriers to Pathogens
[Free Registration/Login may be required to access all resource tools.] In the following tutorial you will learn about the barriers that keep most pathogens out of the human body.
Other
Math and Science Activity Center: Classification of Living Things
Kingdom is the highest rank used in the biological taxonomy of all organisms. There are 6 kingdoms in taxonomy. Every living thing comes under one of these 6 kingdoms. The six kingdoms are Eubacteria, Archae, Protista, Fungi, Plantae,...