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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 ...
A term derived from "cultivated variety" denoting an assemblage of cultivated plants clearly distinguished by one or more characters (morphological, physiological, cytological, chemical, or other). When reproduced (either sexually or asexually), the assemblage retains its distinguishing characters.
Long-lived cormous plants vary in their long-term development. Some regularly replace their older corms with a stack of younger corms, increased more or less seasonally. By splitting such a stack before the older corm generations wither too badly, the horticulturist can exploit the individual corms for propagation.
The ZZ become males, but the WW are not viable and are not brought to term. [ 28 ] In both XY and ZW sex determination systems, the sex chromosome carrying the critical factors is often significantly smaller, carrying little more than the genes necessary for triggering the development of a given sex.
This page provides a list of medical abbreviations that start with the letter B.
This is a list of terms and symbols used in scientific names for organisms, and in describing the names. For proper parts of the names themselves, see List of Latin and Greek words commonly used in systematic names. Note that many of the abbreviations are used with or without a stop.
Simon, a rescue Basset Cattle Dog, has assumed the title of honorary Dog Mayor of New York City. The city’s canine enthusiasts witnessed a unique electoral process, where tails wagged, and paws ...
Glossary of invasion biology terms; L. List of Latin and Greek words commonly used in systematic names; M. Glossary of mycology; N. Glossary of scientific naming; P.