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 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.
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The scientific study of inheritance as it occurs specifically in human beings.
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The study of genomes, the entire hereditary information of an organism.
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Questions regarding how the brain interprets information from the eyes. Consider using the "eyes" tag for discussion of eye anatomy, physiology and evolution.
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globular proteins that catalyze a biochemical reaction, increasing the overall rate by reducing activation energy. Most chemical reactions in a cell need enzymes in order to occur at rate…
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The study of blood, the blood-forming organs, along with blood diseases and their treatment.
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Theoretical models that explain a system using mathematical equations.
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The biological process characterized by reversible unconsciousness, unresponsiveness to external stimuli and motor passivity.
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a method of replicating DNA exponentially from even a single molecule.
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used or the meaning of words as used in scientific literature. Questions should ideally include a link or quote as context for where the term was encountered.
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The process of biological aging or the state of an organism being biologically old.
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Virology deals with the study of viruses, infectious entities that require the machinery of a host cell to replicate.
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The study of the development of an embryo from fertilisation through to description as a foetus.
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Organs playing some role in digestion: the breaking down of food into smaller components that can be up-taken and used as source of energy or stucture.
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A single piece of DNA coiled and organized along with RNA and proteins found in the cell.
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a small infectious agent that can replicate only inside the living cells of an organism. Virology is the study of viruses.
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The study of animal behaviour.
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The scientific study of short- and long-term changes in the size and age composition of populations and the processes driving these changes.
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harnessed to assemble organic compounds (esp. glucose) from inorganic carbon dioxide.
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The process through which a biological organism grows to maturity. In certain contexts it can mean the changes the organism goes through over its entire lifetime.
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the process of growing and maintaining living cells in vitro.
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Questions on the classification of biological organisms, and the methods used for classifying them.
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The study of the appropriate provisions required to sustain life in an organism or the provisions themselves.
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The modeling of biological processes using the tools of applied mathematics.
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A change in an organism's genomic sequence.
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The use of methods from the physical sciences to aid in the study of biological systems.
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The study of the molecular structure of biological macromolecules and how that structure relates to their function.
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The set of actions performed by an organism within a given environment
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The process that produces a complementary strand of RNA from a section of DNA or (rarely) other RNA.
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Questions pertaining to populations of organisms.
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The scientific study of fungi.
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The contractile tissue of animals derived from the mesodermal layer of embryonic germ cells.
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Questions relating to the study of birds.
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Questions related to mammals.
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The study of the collection, analysis, and interpretation of data.