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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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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The study of the distribution, incidence, and potential control of a disease.
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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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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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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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Communal living, cooperation in care of young, and/or division of labor within animal species.
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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 genetic alteration of a cell resulting from the direct uptake, incorporation, and expression of exogenous genetic material from its surroundings.
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the respiratory organ which allows the take-up of oxygen and the release of CO2. They are present in most animals which breathe air including many fish species.
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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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Questions pertaining to the processes by which new species arise.
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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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a molecular target for a chemical signal such as a neurotransmitter, hormone, or drug. Binding of the signal to the receptor initiates or modulates behaviour in the receiving cell.
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The process in which a protein folds into a three-dimensional shape to achieve proper functioning.
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Organisms whose cells contain organelles, complex structures enclosed within membranes, in particular a nucleus.
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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 study of the electrical properties of biological cells and tissues.
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Microanatomy of cells and tissues
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the smallest functional unit of life.
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different forms of many possible alternative forms of the same gene. The different eye colors are for example different alleles of the genes that make the eye color.
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Fluorescent microscopy uses the emissions of fluorescently labelled probes to generate an image.
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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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An interdisciplinary area of study in the life sciences with a focus on complex interactions and large networks of biological molecules and processes.
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Organelles responsible for protein synthesis in cells. They are distinguished into "free" and "membrane-bound" classes.
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Ionizing electromagnetic waves, usually harmful to most biological beings.
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the study of organisms that lived in prehistoric times.
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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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Scientific procedure to test a hypothesis. The outcome of the experiment either confirms or denies the hypothesis.