Scholastic
Scholastic: Study Jams! Science: Animals: Kingdoms of Life
A playful interactive introducing biology's five animal kingdoms. Watch the video, take a quiz, and review vocabulary.
BiologyWise
Biology Wise: The 5 Significant Kingdoms of Living Things
Describes the characteristics of the five kingdoms of living things - Monera, Protista, Fungi, Plantae, and Animalia.
City University of New York
Classification: Bringing Order Out of Chaos
A self-directed module on all aspects of biological classifications that covers the species problem, diversity and chaos, cladistics, putting things in groups, and so on.
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...
BiologyWise
Biology Wise: Types of Protists
Explains what types of organisms are in the kingdom Protista and describes the different types of protists in five broad categories and in their sub-categories.