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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 ...
Lying against another part of the plant; when applied to a cotyledon, it means that an edge of the cotyledon lies along the folded radicle in the seed. [8]-aceae Suffix added to the word stem of a generic name to form the name of a taxonomic family; [9] for example, Rosaceae is the rose family, of which the type genus is Rosa. [10] achene
A life form (also spelled life-form or lifeform) is an entity that is living, [1] [2] such as plants , animals , and fungi . It is estimated that more than 99% of all species that ever existed on Earth, amounting to over five billion species, [3] are extinct. [4] [5] Earth is the only celestial body known to harbor life forms. No form of ...
Each family's formal name ends in the Latin suffix -aceae and is derived from the name of a genus that is or once was part of the family. [ 3 ] The table below contains seed-bearing families from Plants of the World by Maarten J. M. Christenhusz (lead author), Michael F. Fay and Mark W. Chase , with two updated families [ a ] from Plants of the ...
Fruits are the mature ovary of seed-bearing plants, and they include the contents of the ovary, which can be floral parts like the receptacle, involucre, calyx, and others that are fused to it. Fruits are often used to identify plant taxa, help to place the species in the correct family, or differentiate different groups within the same family.
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The independent evolution of similar traits or adaptations in two or more different taxa from different periods or epochs in time, creating analogous structures that have similar form or function but were not present in the last common ancestor of those taxa; e.g. structures enabling flight evolved independently in at least four distinct ...
We're seeing double! Meet the Clements twins, Ava Marie and Leah Rose, who have been hailed as the "most beautiful twins in the world." The 8-year-old identical twins from Los Angeles have quickly ...