CK-12 Foundation
Ck 12: Life Science: Cell Transport
[Free Registration/Login may be required to access all resource tools.] Cells are found in all different types of environments, and these environments are constantly changing. For example, one-celled organisms, like bacteria, can be...
CK-12 Foundation
Ck 12: Life Science: 4.11 First Cell
Learn about the first form of life on Earth, the cell.
CK-12 Foundation
Ck 12: Life Science: Origins of Life
[Free Registration/Login may be required to access all resource tools.] There is good evidence that life has probably existed on Earth for most of Earth's history. Fossils of blue-green algae found in Australia are the oldest fossils of...
Arizona State University
Arizona State University School of Life Sciences: Viral Attack
There are battles that are fought each day on the planet. The invading forces are those of viruses and bacteria. Left alone they would take over and destroy every cell! It is up to some key defense systems to battle and destroy these...
National Institutes of Health
National Institute of General Medical Sciences: Inside the Cell
Very good science e-book that details why cells are the fundamental unit of life and why our health depends on what happens within the many different cells that make up our body. Each chapter is presented separately and the book can also...
CK-12 Foundation
Ck 12: Life Science: Chemistry of Life
[Free Registration/Login may be required to access all resource tools.] Many chemical reactions are going on constantly inside your body. In fact, there are probably thousands of chemical reactions occurring every second in every one of...
CK-12 Foundation
Ck 12: Life Science: Bacteria Characteristics
[Free Registration/Login may be required to access all resource tools.] Bacteria are the most successful organisms on the planet. They lived on this planet for two billion years before the first eukaryotes and, during that time, evolved...
Alabama Learning Exchange
Alex: Edible Cell
As part of the study on Life Processes, the young scholars will watch a video clip at Cells Alive to see a model of the cell and its components. The students will use edible products to create an animal cell. Each product will represent...
Wisc-Online
Wisc Online: Construction of the Cell Membrane
The resource investigates the construction of the cell membrane. Students learn about the makeup and the basis for cell membrane function. The tutorial includes questions with solutions on the topics examined.
CK-12 Foundation
Ck 12: Life Science: Blood Types
[Free Registration/Login may be required to access all resource tools.] Do you know what your blood type is? Maybe you have heard people say that they have Type A or Type O blood. Blood type is a way to describe the type of antigens, or...
CK-12 Foundation
Ck 12: Life Science: Animal Communication
[Free Registration/Login may be required to access all resource tools.] What does the word "communication" make you think of? Talking on a cell phone? Texting? Writing? Those are just a few of the ways in which human beings communicate....
abcteach
Abcteach: Science: Plants
[Free Registration/Login Required] Generate comparison charts, crosswords, and journals for recording data on plants and plants processes. One can also find lesson plans and plant experiments, as well as flower and tree resources.
Exploratorium
Exploratorium: Science Snacks: Your Sense of Taste
Investigate the taste receptors on your tongue in this Life Saver tasting experiment.
PBS
Pbs Learning Media: On Human Cloning
Three cloning experts share their opinions of cloning in these interviews from NOVA: "18 Ways to Make a Baby."
PBS
Pbs Learning Media: Genetic Therapy and Breast Tumors
This video segment from the Secret of Life School Video: "On the Brink: Portraits of Modern Science" explores the genetics of breast cancer. [3:40]
Georgia Department of Education
Ga Virtual Learning: Ap Biology: Energy Transformations
Through interactive learning exercises, students examine the different definitions of energy and how enzymes regulate how the energy is stored and used during cellular respiration. They also take a close look at photosynthesis to learn...
Other
Planet Ark: World Environmental News
Welcome to Planet Ark's daily Reuters World Environment News - the most comprehensive source of environmental news on the Net. To read previous news stories, please use the search engine below to find stories relating to any...
Open Curriculum
Open Curriculum: Into the Mitochondrion: Making Atp With Oxygen
The aim of this article is to relate the history of oxygen in the atmosphere to the evolution of photosynthesis, aerobic respiration, mitochondria, and life on earth.