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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for questions about the general biological features of human beings (as opposed to the biology of non-humans).
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Changes in the heritable attributes of populations of organisms over time. Major mechanisms include drift, natural selection, mutation, and gene flow (migration).
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the branch of biology that deals with the transmission and variation of inherited characteristics.
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The study of chemistry within the scope of biology: the compounds that occur and the reactions involving them in living organisms.
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The study of the molecular processes of the nucleus and cell function.
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The study of cells: their physiological properties, structure, environmental interaction, division, life cycle, and death, as well as the organelles they contain. Also known as cytology.
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The study of the structure and function of the nervous system and its components.
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The study of the normal function of living organisms and the means by which it is achieved.
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the carrier of genetic information, including for all known living organisms. The only known exceptions are RNA viruses.
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Bioinformatics connects life sciences and quantitative sciences, typically involving the application of software and algorithms to solve computationally intensive questions, such as those in genomics,…
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The biological study of animals.
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The study of plant life; e.g. angiosperms, gymnosperms, bryophytes, pteridophytes, and algae.
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the study of organisms that are too small to be seen with the naked eye. This includes organisms like bacteria, fungi, protozoa, and others.
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indicates that the question is likely based on a home assignment in biology-related university or high school courses. Please see the homework policy on meta before asking homework questions.
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Biopolymers consisting of amino acids that fold into 3D shapes and perform a large number of functions in living organisms.
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The study of the immune system in organisms, primarily responsible for fighting infection.
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The scientific study of insects.
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the study of the interactions that occur between a living organism and chemicals that affect normal or abnormal biochemical function
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A subdivision of microbiology dedicated to the study of bacteria.
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for questions about the general anatomical features of human beings as opposed to the anatomy of non-human animals.
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The scientific study of the structure and function of genes at the molecular level, particularly chromosomes and DNA.
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Questions looking to find the name of a specific species of organism. Please include as much information as possible on habitat (esp. where in the world you found the organism) and behavior, and idea…
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The primary component of the central nervous system, which, along with the spinal cord, controls the body of bilaterally symmetrical beings.
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The set of chemical reactions that happen in the cells of living organisms to sustain life.
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The biological process by which new individuals are formed.
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Study of the normal functioning of plants and plant cells
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Interactions and relationships among organisms and their environment. This includes biotic and abiotic (non-living/environmental) factors that impact organisms.
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The study of diseases, including their causes and effects.
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A malignant group of uncontrollably dividing cells that form a tumour. Questions regarding (proto)oncogenes and tumour-suppressor genes should also use this tag.
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The study of the physiology and pathology of the cardiovascular system, especially the heart.
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a biological macromolecule made of nucleotides used in cells to convey genetic information to protein. RNA also plays a role in catalyzing certain biological reactions as …
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Questions relating to protocols, procedures, and good practice when using laboratory equipment.
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The process by which information encoded in a gene is converted into a functional protein or RNA, resulting in or contributing to a phenotype.
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The discussion of the anatomy and evolution of eyes. Consider using the "vision" tag for questions regarding how the brain interprets information from the eyes.
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The theory by which mutations in the genetic code lead to differences from the previous phenotype that, should they be advantageous to an organism's survival to reproductive age, may be passed on to o…
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Any substance consumed to provide nutritional support for the body.