Learn about the rarest eye color in humans and why it's difficult naming a single color. See the factors that affect eye color. What Is the Rarest Eye Color? This entry was posted on June 11, 2023 by Anne Helmenstine (updated on June 27, 2023)
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 This entry was posted on June 10, 2023 by Anne Helmenstine (updated on June 22, 2023)
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 This entry was posted on May 28, 2023 by Anne Helmenstine (updated on September 12, 2023)
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 This entry was posted on May 24, 2023 by Anne Helmenstine (updated on June 5, 2023)
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 This entry was posted on May 17, 2023 by Anne Helmenstine (updated on August 16, 2023)
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 This entry was posted on May 9, 2023 by Anne Helmenstine (updated on August 16, 2023)
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 This entry was posted on May 6, 2023 by Anne Helmenstine (updated on May 9, 2023)
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 This entry was posted on March 29, 2023 by Anne Helmenstine (updated on August 5, 2023)
Get the invasive species definition and examples. Learn about the causes and effects of invasive species in different environments. Invasive Species Definition and Examples This entry was posted on March 15, 2023 by Anne Helmenstine (updated on March 20, 2023)