WebDefine and apply the biological, morphological, ecological, and phylogenetic species concepts, while recognizing that speciation is a process. Distinguish between sympatric and allopatric speciation. Define, recognize, and understand the significance of reproductive isolating mechanisms in reducing gene flow between populations. WebJ. Padisák, in Encyclopedia of Inland Waters, 2009 Species Concepts in Phytoplankton. The species concept for most phycologists is based on the morphological characters and hence the term ‘species’ means morphospecies. On the other hand, for evolutionary biologists the term means biological species that can be defined as a reproductive community of …

Species Concept - an overview ScienceDirect Topics

WebOct 22, 2024 · Phenetic Species Concept. The phenetic species concept is based on phenotypes of organisms and is a variation of the morphological species concept. It … Web-morphosis: [noun combining form] development or change of form of a (specified) thing. tittle x golf

Morphospecies definition of morphospecies by Medical …

WebMay 18, 2024 · phylogenetic species concept (PSC) The concept of a species as an irreducible group whose members are descended from a common ancestor and who all possess a combination of certain defining, or derived, traits (see apomorphy).Hence, this concept defines a species as a group having a shared and unique evolutionary history. It … WebApr 19, 2024 · Here we define a new morphospecies of planktonic foraminifera Globigerinoides eoconglobatus n. sp., identified from International Ocean Discovery Program (IODP) expedition 359 samples from drift deposits of the Maldives, Inner Sea. Through biostratigraphic analysis, we infer it may be the direct ancestor of … Webmorphology: [noun] a branch of biology that deals with the form and structure of animals and plants. the form and structure of an organism or any of its parts. tittle tattle meaning