Learn about the rarest eye color in humans and why it's difficult naming a single color. See the factors that affect eye color.
Biology
Learn the steps of the frog life cycle. Discover how metamorphosis plays a role in frog develop. See exceptions to this process.
The Frog Life Cycle
Learn about the fern life cycle. Get a labeled life cycle, see the steps of fern reproduction, and learn about sporophytes and gametophytes.
Fern Life Cycle
Learn about the parts of a flower. Included is a labeled diagram, the functions of the parts, and a description of how pollination works.
Parts of a Flower – Diagram and Functions
Learn about plant cells. Get a labeled plant cell diagram, learn the names and functions of organelles, and see cell characteristics.
Plant Cell – Diagram, Organelles, and Characteristics
Get animal cell facts, including a labeled cell diagram, a list of organelles and their functions, and a summary of animal cell types.
Animal Cell – Diagram, Organelles, and Characteristics
Learn about keystone species in ecology. Get the definition and examples and discover the importance of a keystone species in an ecosystem.
Keystone Species – Definition, Examples, Importance
Learn what plankton is. Get the definition and examples of different types of plankton and discover their ecological importance.
What Is Plankton? Definition and Examples
Get the invasive species definition and examples. Learn about the causes and effects of invasive species in different environments.