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| | ScienceDaily: Biology |
 | | All concepts in biology are subject to the same laws that other branches of science obey, such as the laws of thermodynamics and conservation of mass. |
 | | Other phenomena, such as lactation, metamorphosis, egg-hatching, healing, and tropism have been addressed. |
 | | Biologists organize and analyze evolutionary relationships through various methods, including phylogenetics, phenetics, and cladistics (The major events in the evolution of life, as biologists currently understand them, are summarized on this evolutionary timeline). |
| www.sciencedaily.com /encyclopedia/biology (4109 words) |
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