英文字典中文字典Word104.com



中文字典辭典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z   


安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • Species - Wikipedia
    A species (pl species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction It is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity
  • Species | Definition, Types, Examples | Britannica
    Species, a level of biological classification comprising related organisms that share common characteristics and are capable of interbreeding According to standard taxonomic conventions, every species is assigned a standard two-part name of genus and species
  • Species - Definition and Examples - Biology Dictionary
    A species is a group of organisms that share a genetic heritage, are able to interbreed, and to create offspring that are also fertile Different species are separated from each other by reproductive barriers
  • What is a Species? Definition, Evolution, and Biological Meaning Explained
    According to this concept, a species is a group of organisms that can interbreed and produce fertile offspring in the wild but are reproductively isolated from other such groups This definition works well in many cases
  • What is a species, and how many species are there?
    What is a species, and how many species are there? A species is a distinct group of organisms and the most basic unit used to measure life on Earth However, there’s no single definition of a species, meaning this vital concept in biology can be difficult to understand
  • Species Definition and Examples in Biology - Science Notes and Projects
    In biology, a species is a group of organisms that interbreed and produce fertile offspring But, the definition is controversial and complicated It’s also important, because protecting a species basically involves identifying its existence One definition of a species is that it is a set of organisms that breed and produce fertile offspring
  • Species Definition and Examples - Biology Online Dictionary
    Species is the lowest taxonomic rank and the most basic unit or category of biological classification consisting of organisms that share common characteristics and generally are capable of reproducing to produce fertile offspring
  • species | Learn Science at Scitable - Nature
    Species are characterized by the fact that they are reproductively isolated from other groups, which means that the organisms in one species are incapable of reproducing with organisms in another


















中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典