Life

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Terrestrial (Earth)
Sphere Land, Ice, Water (Ocean), Air, Life (Cell, Gene, Microscope)
Ecosystem Forest, Grassland, Desert, Arctic, Aquatic

Tree of Life
Microorganism
Plant Flower, Tree
Animal
Invertebrate Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
Mammal Bat, Rabbit, Giraffe, Camel, Horse, Elephant, Mammoth
Whale, Dolphin, Walrus, Seal, Polar Bear, Bear, Cat, Tiger, Lion, Dog, Wolf
Monkey, Chimpanzee, Human

Resources

These are organized by a classification scheme developed exclusively for Cosma. More…

General

Dictionary

life : an organismic state characterized by capacity for metabolism, growth, reaction to stimuli, and reproduction — Webster

OneLook, Free Dictionary, Wiktionary, Urban Dictionary

Encyclopedia

Life is a characteristic distinguishing physical entities having biological processes, such as signaling and self-sustaining processes, from those that do not, either because such functions have ceased, or because they never had such functions and are classified as inanimate. Various forms of life exist, such as plants, animals, fungi, protists, archaea, and bacteria. The criteria can at times be ambiguous and may or may not define viruses, viroids, or potential artificial life as “living”. Biology is the primary science concerned with the study of life, although many other sciences are involved.

The definition of life is controversial. The current definition is that organisms maintain homeostasis, are composed of cells, undergo metabolism, can grow, adapt to their environment, respond to stimuli, and reproduce. However, many other biological definitions have been proposed, and there are some borderline cases of life, such as viruses. Properties common to all organisms include the need for certain core chemical elements to sustain biochemical functions. — Wikipedia

Encyclopedia of Life (EOL)
Encyclopædia Britannica

OneZoom Tree of Life Explorer
Tree of Life Web Project (David Maddison, Katja-Sabine Schulz, and Wayne Maddison)
Web Lift to Taxa (University of California Museum of Paleontology)

New Study Shows Viruses Can Have Immune Systems (Tufts Now)

Biosphere also known as the ecosphere, is the worldwide sum of all ecosystems. It can also be termed the zone of life on Earth, a closed system (apart from solar and cosmic radiation and heat from the interior of the Earth), and largely self-regulating. By the most general biophysiological definition, the biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, geosphere, cryosphere, hydrosphere, and atmosphere. — Wikipedia

Life and the Biosphere (Encyclopædia Britannica)

Science

Life sciences comprise the branches of science that involve the scientific study of life and organisms – such as microorganisms, plants, and animals including human beings. — Wikipedia

Encyclopædia Britannica
Life Sciences (National Network of Libraries of Medicine)
Life Sciences (Wolfram Alpha)

Biology is the natural science that studies life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution. Despite the complexity of the science, there are certain unifying concepts that consolidate it into a single, coherent field. Biology recognizes the cell as the basic unit of life, genes as the basic unit of heredity, and evolution as the engine that propels the creation and extinction of species. Living organisms are open systems that survive by transforming energy and decreasing their local entropy to maintain a stable and vital condition defined as homeostasis. — Wikipedia

Encyclopædia Britannica
Biology (National Network of Libraries of Medicine)
Biology Subject Guide (Library of Congress)
Biological Science Portal (Wikipedia)

Outline

Outline of Biology (Wikipedia)

Philosophy

Philosophical research online: Philosophy of Biology (PhilPapers)

Preservation

History

The history of biology (Encyclopædia Britannica)
History of biology (Wikipedia)
Journal of the History of Biology

Museum

Museum of Life Sciences (Official Site)
Museum of Life Sciences (Wikipedia)

Library

WorldCat, Library of Congress, UPenn Online Books, Open Library

Participation

Education

Biosphere: A Big Ball of Life (Geography4Kids)
Biology Basics (Biology4Kids)
Life Sciences (TED Ed)
Great Sites for Kids (ALA)
Science Projects in Biology, Natural History and Agriculture (Library of Congress)

Course

Crash Course Biology (YouTube Channel)

MIT Biology Courses (MIT Opencourseware)
OER Commons: Open Educational Resources

Community

The Company of Biologists

News

AAAS EurekAlert, Phys.org, Scientific American, NPR Archives

Book

ISBNdb

Government

Document

USA.gov

returntotop

More…

EurekAlert! - Biology The premier online source for science news since 1996. A service of the American Association for the Advancement of Science.

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Biology News - Evolution, Cell theory, Gene theory, Microbiology, Biotechnology Read the latest science news from Phys.org on biology, evolution, microbiology, biotechnology

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Scientific American Science news and technology updates from Scientific American