Results 61 to 70 of about 54,951 (227)
The centromeric protein CENP-C is a base component of the kinetochore. This protein, along with CENP-A has been shown to adaptively evolve in a number of animal and plant species.
Leos Kral
doaj +1 more source
Pectoral fins of bichirs encompass the so‐called dental plates – unique dermal skeletal elements with individual odontodes identical to the oral teeth. Abstract The dermal skeleton appeared early in vertebrate evolution in the form of mineralized skin denticles composed of tooth‐like units—odontodes.
Tomáš Suchánek +2 more
wiley +1 more source
CLOFFAR - update 3 - supplement to Checklist of the Freshwater Fishes of Argentina [PDF]
In May 2016 we have published the second update to CLOFFAR and in these few months a total of 22 changes have summed up. The total number of fishes known from the freshwaters of Argentina has increased to 538, caused by one new Hoplias and 13 first ...
Koerber, Stefan +2 more
core
Introgressive Hybridization and the Evolution of Lake-Adapted Catostomid Fishes. [PDF]
Hybridization has been identified as a significant factor in the evolution of plants as groups of interbreeding species retain their phenotypic integrity despite gene exchange among forms.
Carson, Evan W +5 more
core +2 more sources
This study morphologically analyzed 385 Diptychus maculatus from 5 Tarim River Basin populations. Using traditional and geometric morphometrics, it revealed environmental (high‐altitude cold, rapids, reservoir flows) and human‐driven morphological differentiation.
Yichao Hao +6 more
wiley +1 more source
The present study analyzes wildlife species use indices and a vulnerability in the Aledjo Wildlife Reserve (AWR) in Togo. The Importance Value‐in‐use Index (IVIUsp) indicates that the most valued species are the patas monkey (Erythrocebus patas), the forest cobra (Naja melanoleuca), and the green mamba (Dendroaspis viridis).
Wiyaou Borozi +3 more
wiley +1 more source
Ichthyological ecoregions of Argentina [PDF]
The Argentine Republic is situated in the southernmost portion of the American continent, occupying over 2,785,600 km2 not including the Antarctic territory. The country ranges from subtropical areas (21º46’S) to subantarctic regions (55º03’S), extending
López, Hugo Luis +2 more
core
Environmental variables, habitat discontinuity and life history shaping the genetic structure of Pomatoschistus marmoratus [PDF]
Coastal lagoons are semi-isolated ecosystems exposed to wide fluctuations of environmental conditions and showing habitat fragmentation. These features may play an important role in separating species into different populations, even at small spatial
A Pérez-Ruzafa +119 more
core +3 more sources
Distribution ranges of cephalopods are expanding worldwide and their abundances are increasing due to ocean warming. Recently, the broadtail shortfin squid Illex coindetii (Ommastrephidae) expanded into the North Sea where it established a successful spawning stock beside the resident veined squid Loligo forbesii (Loliginidae). Stomach content analysis
Hanna Rittinghaus +4 more
wiley +1 more source
A single specimen of a new acanthomorph fish is described from a Turonian locality sampling the northern part of the Cretaceous Western Interior Seaway.
Alison M Murray
doaj +3 more sources

