"Plesiomorphous" Pronounce,Meaning And Examples
"Plesiomorphous" Natural Recordings by Native Speakers
"Plesiomorphous" Meaning
Plesiomorphic refers to a structure or organism that shows a general similarity or resemblance to its ancestors, in terms of morphology. It implies that the characteristics or features of the plesiomorphic organism are shared with its predecessors and are thought to have been inherited from them.In other words, a plesiomorphic trait or feature is one that has not undergone significant changes or modifications since the organism's ancestors lived. It can be contrasted with apomorphic traits or features, which are distinct and have evolved new characteristics over time.Plesiomorphs are often used as "outgroups" in phylogenetic analysis to compare with other species or organisms to determine how closely related they are.
"Plesiomorphous" Examples
PlesiomorphousAdjectiveSimilar or bearing a resemblance due to reversion to a primitive stage; a primitive characteristic has been retained in a descendant.## Usage Examples1. Evolutionary Biology: The fossils of the ancient species show plesiomorphous characteristics that are also found in the modern species, indicating a common ancestor.2. Paleontology: The plesiomorphous traits of the dinosaur's skull suggest a link to a more primitive group of reptiles.3. Biological Sciences: The vestigial organs found in humans, such as the appendix, are plesiomorphous, meaning they are remnants of a more complex organ that has evolved from a more primitive form.4. Systematics: The classification of a species as plesiomorphous indicates that it has retained characteristics of its ancestral group, but has not undergone significant changes through evolution.5. Genetic Research: The genetic analysis reveals that the plesiomorphous genes of the mutated strain have spread across the population, highlighting the potential for evolutionary change.
"Plesiomorphous" Similar Words
Plesiadapid
Plesiadapidae is a family of extinct primates that lived during the Paleocene and Eocene epochs. They are considered among the earliest known proto-primates and are thought to be among the evolutionary ancestors of modern primates.The word "Plesiadapidae" comes from the Greek words "plesios" (πλειός), meaning "near" and "dadapides" (δαδάπιδες), meaning "cavern-dwelling ape".
Plesiadapiformes
Plesiadapis
Plesiochronous
Plesiochronous refers to a situation in which two or more events or signals have almost perfectly synchronized timing, but are not exactly simultaneous or perfectly phase-locked. It can be used to describe phenomena in various fields such as electronics, physics, and telecommunications, where a level of synchronization is desired but not perfect precision is required.
Plesiomonas
Plesiomonas is a genus of Gram-negative, rod-shaped bacteria that are typically found in aquatic environments. They were formerly classified in the family Enterobacteriaceae, but are now placed in a distinct family, Aeromonadaceae. Plesiomonas is oxidase-positive, catalase-positive, lactose-negative, and is capable of fermented glucose. They typically move in a enterobacterial motility pattern by pivoting around their axis due to peritrichous arrangement of flagella.Plesiomonas species exhibit a range of pathogenic behaviors. Fermigan (2008) noted that Plesiomonas shigelloides, a species in the Plesiomonas genus, is an opportunistic enteric pathogen implicated in gastroenteritis. Plesiomonas shigelloides can cause infections, primarily among individuals with histories of seafood consumption, undercooked meat consumption, and poor hygiene, with symptoms that mimic those of bacterial dysentery.
Plesiomorph
A plesiomorph is a term used in biology and phylogenetics to describe a characteristic or feature that has been inherited from a common ancestor, but has since undergone significant changes or modifications, resulting in its current, somewhat different form.In other words, a plesiomorph is a trait that is similar to its ancestor's trait, but has been altered over time due to genetic mutations, environmental pressures, or other factors. It can be thought of as a "primitive" or "ancient" version of a characteristic that has been lost or modified over evolutionary time.For example, if a species has a trait that is similar to a trait found in its distant ancestor, but is not quite the same, it can be considered a plesiomorph of that ancestral trait.
Plesiomorphic
Plesiomorphism
Plesiomorphy
Plesiomorphy refers to a morphological characteristic or trait that appears to be an ancestral feature retained from a common ancestor, but is not necessarily a primitive feature or an autopomorphy. In other words, it is a characteristic that an organism has inherited from its ancestors but has not undergone significant changes over time.
Plesionyms
Portmanteau of "plural" and "synonym". A word or phrase used to refer to multiple related words.
Plesiosaur
Plesiosaur: A marine reptile that lived during the time of the dinosaurs, characterized by a long neck, a small head, and four flippers. It is often depicted in popular culture as a large aquatic creature.
Plesiosauria
Plesiosauria was an order of marine reptiles that lived during the time of the dinosaurs, specifically from the Early Jurassic to the Late Cretaceous period, around 228 to 65 million years ago. They were characterized by their long necks, four flippers, and a small head.The term "Plesiosauria" comes from the Greek words "plesios" meaning "near" or "close" and "sauros" meaning "lizard". This refers to their similarities to lizards, as well as their fossils often being found near those of other marine reptiles.Plesiosaurs were generally fish-eating predators that roamed the oceans, feeding on a variety of prey, from fish and squid to other marine reptiles.
Plesiosaurian
Relating to or denoting a marine reptile, especially one of the extinct order Plesiosauria, which lived during the time of the dinosaurs, having a long neck and four flippers.
Plesiosauridae
Plesiosauridae refers to the family of marine reptiles known as plesiosaurs, a group of long-necked carnivorous and semi-aquatic reptiles that lived during the time of the dinosaurs. They were characterized by their long, serpent-like bodies, usually with a short tail and a small set of flippers or limbs. Plesiosaurs were a diverse group with various species, but they are primarily known for their resemblance to dragons or sea serpents of myth and legend, making them a popular figure in popular culture.
Plesiosaurs
Plesiosaurs were a group of marine reptiles that lived during the time of the dinosaurs. They had a long neck and four flippers, and were characterized by their short tails and four flipper-like limbs. They were air-breathing predators that likely feeding on fish, squid, and other sea creatures. Plesiosaurs were not dinosaurs, but rather a separate group of reptiles that shared the same general time period and some similar characteristics. They were likely highly efficient swimmers, with some species estimated to have reached lengths of over 15 meters.
Plesiosaurus
Predinosaur marine reptile with a long neck and four flippers, characterized by its distinctive pair of small, hind limbs.