• Ecosystems and Ecology - BrainPop -- Another amazing set of movie/activity extravaganzas from Brainpop! See flash movies about Water, The Water Cycle, The Tropical Rainforest, Deserts, Tundra, The Food Chain, and Autumn Leaves, and participate in related online experiments and activities!
  • Neighborhoods: Ecosystems, Biomes, and Habitats -- From the Franklin Institute site: "Ecosystems vary in size. They can be as small as a puddle or as large as the Earth itself. Any group of living and nonliving things interacting with each other can be considered as an ecosystem." Learn much more about this topic at this site - including several links to other sites on related topics!
  • Biomes of the World -- Learn about Rainforest, Tundra, Taiga, Desert, Grassland and Temperate biomes!
  • Ecosystems - Kapili.com -- More great lessons from Kapili.com - including: Ecology, Aquatic Biomes, Land Biomes, Ecosystems, Cycles, Populations, Food Chain, Biosphere, Global Geometry, Soils Erosion, Weathering
  • Survival Online -- From the site: "Browse the world's animal life continent by continent by clicking on 'Map'. To discover in depth information on the habitat, history and general background of remarkable creatures and environments, click 'Case Studies'."
  • Freshwater Ecosystems -- Learn about rivers and streams, ponds & lakes, and wetlands.
  • Marine Ecosystems -- Learn about shorelines, temperate oceans and tropical oceans!


  • Ecosystems -- Informative introduction to the key features of the Earth's ecosystems, including a graphical model that describes the major ecosystem components and their interrelationships.
  • Energy and Organisms -- An overview of energy transformations important for sustaining life.
  • E-Bionet -- A series of tutorials, experiments and a glossary of terms related to biology and ecosystems.
  • Ecosystem Energetics -- Detailed outline of energy processes in ecosystems


  • Cellular Respiration -- A nicely illustrated and easy-to-follow overview of the processes involved in Cellular Respiration.
  • What is Cellular Respiration and How Does It Look -- Answer to this student question.
  • Overview of Cellular Respiration -- Illustrated "clickable map" of cellular respiration. Click anywhere on the chart for detailed information about any cellular respiration sub-topic!
  • Cellular Respiration Chart -- Flow chart illustrating cellular respiration.
  • Concept Map of Cellular Respiration -- Detailed, advanced flow chart illustrating processes of cellular respiration


  • Photosynthesis - BrainPop -- Another amazing movie/activity extravaganza from Brainpop! See flash movies about Photosynthesis, and participate in related online experiments and activities!
  • PhotosynthesisFull online tyextbook on photosynthesis. Covers the following topics: The Physics of Light and the Photosystem, The Light Reactions, The Dark Reactions, Alternate Modes of Photosynthesis
  • Photosynthesis Overview -- Beautifully illustrated site covering the following topics: The Nature of Light, Chlorophyll and Accessory Pigments, The structure of the chloroplast and photosynthetic membranes, Stages of Photosynthesis, The Light Reactions, Dark Reaction, C-4 Pathway, The Carbon Cycle
  • Photosynthesis -- From the ThinkQuest site: "Photo - like with cameras...i.e. light (the sun) Synthesis - to make. So from the name - its all about using light to help make something. Yes, but its a bit more complicated than that. Photosynthesis is a process used by all green plants(we'll mainly be looking at plants) and some bacteria to produce food to use as energy. Its a chemical process..." Learn much more about this topic at this site!


  • A Trip Around the Carbon Cycle -- Interactive lesson across several pages, explaining the carbon cycle and its importance in sustaining life.
  • Carbon Cycle -- Nicely illustrated site, with information on Carbon in the biosphere, lithosphere, atmosphere, hydrosphere, and soil. Click on the British Flag to read this site in English

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