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Science, Evolution, and Creationism, by the National Academies, focuses on teaching evolution in today's classrooms. Check out the other publications in our online store.
This simple cartoon shows general similarities and differences between eukaryote and prokaryote cells.
Image courtesy of Windows to the Universe

Biology

Biology is the study of life and living organisms. Biologists study the structure of living things and how they grow. They study how they evolve and what they do in the environment. Biologists also study where they live and how they are related to other living things. Biologists study life from the tiniest sizes of cells to the scale of ecosystems.

Because all things are made of chemicals, a biologist must understand chemistry to be able to understand life. Similarly, because life can effect other parts of Earth (like the atmosphere, water, and Earth's surface), many geologists must understand biology. Biogeochemists specialize in the study of how life, chemistry, and the Earth effect each other.

Shop Windows to the Universe Science Store!

"Science, Evolution, and Creationism", by the National Academies, provides fascinating background on these topics for all, and is particularly useful for the Earth and space science classroom. Check our other books in our online store.

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Traveling Nitrogen Classroom Activity Kit

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

Evidence of Evolution

This Windows to the Universe Exploratour examines the scientific evidence of biological evolution. It is available at the intermediate and advanced levels only. To travel through the tour, click the back...more

Biomes and Ecosystems

Biomes are large areas of the world where there are similar plants, animals, and other living things. The living things are adapted to the climate. Explore the links below to learn more about different...more

Chemistry

Chemistry is the study of matter, energy, and how they effect each other. Chemists study the what substances are made of and what they do, and how they react with each other. Chemists work to develop new...more

Can there be Life in the Environment of Jupiter?

Jupiter's atmospheric environment is one of powerful winds, going 250 miles per hour, and temperatures from -270 degrees to +32 degrees (freezing temperature). These winds make it hard for life forms to...more

The possible discovery of Life on Mars

In July, 1996 a team of scientists said that they had discovered possible fossils of bacteria in a meteorite named ALH84001 that came from Mars. It was found in Antarctica in 1984 after having landed there...more

The Environment of Saturn

Saturn's atmospheric environment is one of powerful winds, going 250 miles per hour, and temperatures from -270 degrees to +80 degrees. With winds like these, it is hard to have peace and quiet. The region...more

Can there be Life in the Environment of Titan?

The air of Titan is a lot like the Earth's, except that it is very cold, from -330 degrees to -290 degrees! Like the Earth, there is a lot of Nitrogen and other complex molecules. There also may be an...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA