CK-12 Foundation
Ck 12: Biology: Cell Division and Cell Cycle Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on cell division and the cell life cycle.
Morning Earth
Life Lives in Circles: Introduction Life Materials Cycle and Re Cycle
Scholars explore the Biology concept of life cycles. The tutorial consists of definitions, examples, and pictures. Topics include the great circle dance and life-materials.
Other
Keratin.com: Hair Biology Index
This site, dedicated to hair information ranging from baldness to excess hair growth, explores the biology of hair. Contents includes a focus on the structure and function of skin and hair, hair follicle structure, ethnic differences in...
BiologyWise
Biology Wise: Mitochondrial Matrix
Discusses the structure of the matrix inside a mitochondrion and how hundreds of concentrated enzymes are held there. The matrix takes part in mitochondrial functions such as the Krebs cycle, the electron transport chain, ATP synthesis,...
PBS
Pbs Learning Media: The Fate of Carbon
Students examine the importance of carbon and learn about two Earth systems, the solubility pump and the biological pump, which cycle carbon from the atmosphere into the oceans and back again.
eSchool Today
E School Today: Your Revision Notes on Rocks
Covers the three main types of rocks, different weathering processes, erosion, and the rock cycle.
BiologyWise
Biology Wise: What Is Transpiration
Transpiration is an important plant process that releases water into the air through the stomata in leaves. This resource describes the process, the role the stomata play, factors that have an impact on transpiration, and why it is so...
BiologyWise
Biology Wise: Mitochondria Functions
Describes the structure and functions of the mitochondria.
PBS
Pbs Teachers:biodome
Investigate biological systems that support plant life by constructing a self-sufficient, enclosed environment for growing plants.
CK-12 Foundation
Ck 12: Life Science: Cyclic Behavior of Animals
[Free Registration/Login may be required to access all resource tools.] Many animal behaviors change in a regular way. They go through cycles. Some cycles of behavior repeat each year. Other cycles of behavior repeat every day. Learn...