BiologyWise
Biology Wise: Spirogyra Facts
Provides information about Spirogyra, a type of algae. Discusses characteristics, classification, cell structure, method of reproduction, and life cycle.
Other
Marietta College: Ecosystems
Complete illustrated discussion of energy flow within ecosystems, including discussions of trophic levels, ecological pyramids, food chains and webs, biological magnification, and cycles.
Lawrence Berkeley National Laboratory
Berkeley Lab: Did You Ever Wonder? About the Mysteries of Ocean Chemistry?
Students investigate ocean chemistry. The article discusses Jim Bishop, ocean cycle, the biology of the sea, and carbon in the sea. The resource consists of pictures, quotes, and links to additional resources.
University of Michigan
University of Michigan: The Concept of the Ecosystem
Lesson looks at the definition of an ecosystem, biogeochemical cycles, and factors responsible for the differences between ecosystems.
Alabama Learning Exchange
Alex: The Circles of Life
This is an inquiry based cooperative learning unit that can be used in biology as a graduation exam review or in botany for a nine week project. The learners will learn the life cycle of mosses, ferns, gymnosperms and angiosperms. The...
Morning Earth
All Lives Transform: Final Transformation: Death and Decomposition
Scholars explore concepts in Biology about the life cycle. The tutorial consists of definitions, examples, and pictures about the final transformation of death and decomposition.
TeachEngineering
Teach Engineering: Rock Solid
Rocks cover the earth's surface, including what is below or near human-made structures. With rocks everywhere, breaking rocks can be hazardous and potentially disastrous to people. Learners are introduced to three types of material...
Virginia Tech
Virginia Tech: Flower and Tree Reproduction
This is the reproduction chapter from an online text, courtesy of the Forest Biology Department of Virginia Tech. Learn about trees, their flowers, and other details of their reproductive cycle.
National Institutes of Health
National Institutes of Health: Cell Biology and Cancer [Pdf]
Learners examine the major biological concepts related to the development and impact of cancer. The resource consists of a web version of the supplement, state standards, and downloadable materials.
BiologyWise
Biology Wise: Reproduction in Fungi
Presents interesting facts about fungi and describes how they reproduce both sexually and asexually.
BiologyWise
Biology Wise: Cellular Respiration in Plants
Explains what cellular respiration is, its function, and the three stages it goes through when it takes place in a cell.
BiologyWise
Biology Wise: Platyhelminthes Reproduction
Describes the characteristics of Platyhelminthes, or flatworms, and how they reproduce.
BiologyWise
Biology Wise: Mitochondria Functions
Describes the structure and functions of the mitochondria.
BiologyWise
Biology Wise: What Is Anaerobic Respiration?
Explains what anaerobic cellular respiration is and how it differs from aerobic respiration. Discusses what this looks like in muscle cells, what the steps are, and the formula for anaerobic respiration.
University of Arizona
Biology Project: Cell Cycle and Mitosis Tutorial: Dna Basics
Tutorial on DNA basics that goes along with an online quiz over the material. Use the naviagation buttons at the bottom of the page to go to the quiz over the material.
Other
Reproduction in Plants and Animals
Reproduction in Plants and Animals. The ability to produce more organism similar to themselves is a very important characteristic of all living organisms. The process by which they do so is known as reproduction. [0:21]
Estrella Mountain Community College
Estrella Mountain College: Cell Division and Meiosis
Resource provides a holistic and complete meiosis lesson with illustrations, animations, glossary, and links. Extremely detailed and helpful site.
Curated OER
Illustration of the Stages of Cell Cycle
Has explanations, illustrations, and a Quick Time movie to download. Also contains practice test questions that are answered online.
Colorado State University
Colorado State: Insect Parasitic Nematodes
This site provides a general overview of the Insect Parasitic Nematodes (a small round worm). Content includes a look at this worm's life cycle and its benefit/impact on the environment as biological insect control.
Morning Earth
How Life Works: Biosphere Is Process: Animal & Plant Gas Exchange
Scholars explore the biology concept of the oxygen cycle. The tutorial consists of definitions and pictures about animal and plant gas exchange.
PBS
Pbs Teachers: Scientific American: Life's Little Questions: Can You Beat Jet Lag
Explore the human body's need for a normal cycle of dark and light and apply this to an understanding of biological clocks in other animals. Test the effect of light on the development of mealworm larvae into adults.
PBS
Pbs Teachers:biodome
Investigate biological systems that support plant life by constructing a self-sufficient, enclosed environment for growing plants.
ClassFlow
Class Flow: Glycolysis
[Free Registration/Login Required] Students launch themselves in to the three main stages of respiration in this Three Part Series. Glycolysis harvests chemical energy by oxidizing glucose to pyruvate. The Krebs Cycle and the electron...
ClassFlow
Class Flow: Cellular Respiration
[Free Registration/Login Required] This is a comprehensive, engaging overview of catabolic pathways that yield energy by oxidizing organic fuel. Students explore redox reactions, oxidation, reduction, and preview the stages of cellular...