A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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the ability to perceive sound by detecting vibrations through an organ such as the ear.
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a polyphyletic group of unicellular fungi. Usually the term yeast is used synonymously with baker's yeast - Saccharomyces cerevisiae.
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A state in which an organism or a cellular system, as defined by its full set of functionality, ceases to exist (i.e., most of the functions are irreversibly lost).
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Biologically-synthesized chemicals (or their derivatives) that cause growth suppression or death of bacteria. Other anti-microbials are often also considered under the class antibiotics these days.
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Questions pertaining to red blood cells, or erythrocytes, the most common type of blood cell that is responsible for delivering oxygen throughout the body.
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enyzmes (usually derived from bacterial sources) which cleave DNA at defined "restriction" sites.
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Questions pertaining to the processes by which new species arise.
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The timing of key events in an organism's lifetime, including development, reproduction and death.
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Questions regarding organic compounds required by an organism as a vital nutrient in limited amounts.
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the study of organisms that lived in prehistoric times.
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A collection of tissues which work together to accomplish a function. The organisational unit above tissues and below systems.
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Communal living, cooperation in care of young, and/or division of labor within animal species.
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Educated guesses about the structure and function of things that do not currently exist. Many 'what if' and 'why not' questions fit this category. Questions should be posed so that they can be answere…
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Ionizing electromagnetic waves, usually harmful to most biological beings.
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The study of how biological life arises from inorganic matter through natural processes, and the method by which life on Earth arose.
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a biopolymer mostly made from keratin, which grows from the skin. Hair is exclusively found in mammals.
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The application of dynamic systems and game theory to evolving populations in biology, economics, and social sciences. It is particularly well suited for studying social dilemmas like the evolution of…
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Fruits develop from the flower of plants and hold the seeds. They are the way of plants to distribute their seeds.
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Copying the genome for the purpose of reproduction.
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A measure of how hot or cold something is, measured in degrees Fahrenheit or Celsius, or Kelvin.
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The administration of antigenic material to stimulate the immune system of an individual to develop adaptive immunity to a disease.
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the mechanism by which a disease is causing the disease. For bacteria this can be the secretion of a toxin which is toxic for the host.
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The people-biota-environment interface: organisms used by humans, and the ways humans conceive of those organisms. This can include wild, managed or domesticated organisms used for food, medicine, and…
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The laboratory technique involving the extraction of DNA from a cell in a pure form.
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Fluorescent microscopy uses the emissions of fluorescently labelled probes to generate an image.
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Internal organ of vertebrate species which is important for a lot of biochemical functions including production of molecules, detoxification and production of glycogen.
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Electromagnetic radiation, specifically the range of frequencies visible to humans ("visible light").
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an internal, bean shaped organ of vertebrates. Kidneys are responsible for secreting urine, regulate the electrolytes of the body and filter the blood.
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An interdisciplinary area of study in the life sciences with a focus on complex interactions and large networks of biological molecules and processes.