![](http://image.absoluteastronomy.com/images/topicimages/g/gr/great_white_shark.gif)
The great white shark, scientific name Carcharodon carcharias, also known as the great...
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![](http://image.absoluteastronomy.com/images/topicimages/c/cu/cuttlefish.gif)
Cuttlefish are marine animals of the order Sepiida. They belong to the class...
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![](http://image.absoluteastronomy.com/images/topicimages/b/bl/black_panther.gif)
A black panther is typically a melanistic color variant of any of several...
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Topics
![](http://image.absoluteastronomy.com/images/topicimages/e/ec/ecosystem.gif)
An ecosystem is a biological environment consisting of all the organisms living in a particular area, as well as all the nonliving , physical components of the environment with which...
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Deoxyribonucleic acid is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms . The DNA segments that carry this...
![](http://image.absoluteastronomy.com/images/topicimages/f/fu/fungus.gif)
A fungus is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds , as well as the more familiar mushrooms. These...
![](http://image.absoluteastronomy.com/images/topicimages/m/ma/marine_biology.gif)
Marine biology is the scientific study of organisms in the ocean or other marine or brackish bodies of water. Given that in biology many phyla, families and genera have some...
![](http://image.absoluteastronomy.com/images/topicimages/e/ea/earth.gif)
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar...
![](http://image.absoluteastronomy.com/images/topicimages/e/ec/ecology.gif)
Ecology is the scientific study of the relations that living organisms have with respect to each other and their natural environment. Variables of interest to ecologists include the composition,...
![](http://image.absoluteastronomy.com/images/topicimages/b/bi/biodiversity.gif)
Biodiversity is the degree of variation of life forms within a given ecosystem, biome, or an entire planet. Biodiversity is a measure of the health of ecosystems. Biodiversity is in...
![](http://image.absoluteastronomy.com/images/topicimages/p/ph/physics.gif)
Physics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is...
![](http://image.absoluteastronomy.com/images/topicimages/p/pa/paleontology.gif)
Paleontology "old, ancient", ὄν, ὀντ- "being, creature", and λόγος "speech, thought") is the study of prehistoric life. It includes the study of fossils to determine organisms' evolution...
![](http://image.absoluteastronomy.com/images/topicimages/a/as/astronomy.gif)
Astronomy is a natural science that deals with the study of celestial objects and phenomena that originate outside the atmosphere of Earth
![](http://image.absoluteastronomy.com/images/topicimages/g/ge/geology.gif)
Geology is the science comprising the study of solid Earth, the rocks of which it is composed, and the processes by which it evolves. Geology gives insight into the...