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The yellow mask is a plesiomorphy for each living masked species, because it is ancestral. [2] It is also a symplesiomorphy for them. But for the four living species as a whole, it is an apomorphy because it is not ancestral for all of them. The yellow tail is a plesiomorphy and symplesiomorphy for all living species.
The Encyclopedia of Life (EOL) is a free, online encyclopedia intended to document all of the 1.9 million living species known to science. It aggregates content to form "pages" for every known species. Content is compiled from existing trusted databases which are curated by experts and it calls on the assistance of non-experts throughout the world.
Filasterea is a group of 6 amoeboid species belonging to the genera Ministeria, Pigoraptor, [6] Capsaspora, and Txikispora, [12] united by the structure of their thread-like pseudopods. [13] Pluriformea is a provisional name for the clade composed by the two species Corallochytrium limacisporium and Syssomonas multiformis. These organisms have ...
Genetics – Science of genes, heredity, and variation in living organisms; Biogeography – Study of distribution of species; Ecological genetics – Study of genetics in natural populations; Evolutionary biology – Study of the evolution of life Evolutionary developmental biology – Comparison of organism developmental processes
The images of the living OTUs (29 species) were made available in the early 1960s; those of the fossil ones (48 species) later in the decade. These images were copied using xerography . Copies of all OTUs were in the possession of Dr. Paul A. Ehrlich ( Stanford University ), Dr. W. Wayne Moss (Philadelphia Academy of Sciences) and Robert R ...
ZipcodeZoo was an online database that collected the natural history, classification, species characteristics, conservation biology, and distribution information of thousands of species and infraspecies. It included over 800,000 photographs, 50,000 videos, 160,000 sound clips, and 3.2 million maps describing nearly 3.2 million species and ...
The nomenclature and classification of plants with microphylls varies substantially among authors. A consensus classification for extant (living) species was produced in 2016 by the Pteridophyte Phylogeny Group (PPG I), which places them all in the class Lycopodiopsida, which includes the classes Isoetopsida and Selaginellopsida used in other ...
Neopterygii (from Greek νέος neos 'new' and πτέρυξ pteryx 'fin') is a subclass of ray-finned fish (Actinopterygii). Neopterygii includes the Holostei and the Teleostei, of which the latter comprise the vast majority of extant fishes, and over half of all living vertebrate species. [2]