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This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
t. e. Anatomy (from Ancient Greek ἀνατομή (anatomḗ) ' dissection ') is the branch of morphology concerned with the study of the internal structure of organisms and their parts. [ 1 ] Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, having its beginnings in ...
Histologic specimen being placed on the stage of an optical microscope. Human lung tissue stained with hematoxylin and eosin as seen under a microscope.. Histology, [help 1] also known as microscopic anatomy or microanatomy, [1] is the branch of biology that studies the microscopic anatomy of biological tissues.
Category. v. t. e. An ecosystem (or ecological system) is a system that environments and their organisms form through their interaction. [2] : 458 The biotic and abiotic components are linked together through nutrient cycles and energy flows. Ecosystems are controlled by external and internal factors.
Gross anatomy. Gross anatomy is the study of anatomy at the visible or macroscopic level. [ 1][ 2] The counterpart to gross anatomy is the field of histology, which studies microscopic anatomy. [ 1][ 2] Gross anatomy of the human body or other animals seeks to understand the relationship between components of an organism in order to gain a ...
Fertility. Fertility in colloquial terms refers the ability to have offspring. In demographic contexts, fertility refers to the actual production of offspring, rather than the physical capability to reproduce, which is termed fecundity. [1] [2] The fertility rate is the average number of children born during an individual's lifetime.
Biology is the scientific study of life. [ 1 ] [ 2 ] [ 3 ] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [ 1 ] [ 2 ] [ 3 ] For instance, all organisms are made up of cells that process hereditary information encoded in genes , which can be transmitted to future ...
Cartographic generalization is the process of selecting and representing information of a map in a way that adapts to the scale of the display medium of the map. In this way, every map has, to some extent, been generalized to match the criteria of display. This includes small cartographic scale maps, which cannot convey every detail of the real ...