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Species in Biological Dictionary

Xenopus

... frogs native to Sub-Saharan Africa. There are 18 species in the Xenopus genus. They are known ... African Clawed Frogs or Platanna. The best-known species belonging to ... The African clawed frog is a species of South African aquatic frog of the genus ...

Wild type

... to the phenotype of the typical form of a species as it occurs in nature. Originally, the wild ... Specializing in sales of imported betta species of premier quality, betta ... These are wild type species so there are slight variations between each ...

Sympatric

... the evolutionary process by which new biological species arise. The biologist Orator F. Cook seems to ... dictionary and ... sympatric - (of biological species or speciation) occurring in the same or ... ... . Describes two or more closely-related species having ... Developed by Baylor College of ...

Symbiosis

... two or more different organisms of different species that may, but does The word symbiosis ... ... Mimicry is a form of symbiosis where a species may mimic the colours, patterns, ... Symbiosis ... between clownfish of the ... Some goby fish species live in symbiosis with a shrimp. ... Info ...

Species

... ... see species (disambiguation) ... 4 Numbers of species . 5 Importance in biological ... 8 Historical development of the species concept. 9 See also. 10 Notes ... ...

Speciation

... the evolutionary process by which new biological species arise. The biologist Orator F. Cook seems to ... ... Speciation is the process by which new species ... Speciation is the process by which new species arise. Speciation occurs when gene-flow stops ...

Self-pollination

... and a carpel in which the cultivar or species is self fertile and the stamens and the sticky ...... Self - pollination in. normally outcrossing species tends to produce large ... species in which intraflower self - pollination does not ...

Saccharomyces cerevisiae

... Saccharomyces cerevisiae is a species of budding yeast. It is perhaps the most ... from the skins of grapes ... The yeast species Saccharomyces cerevisiae has been used ... Things in Life. Retrieve Align Blast Clear. species Saccharomyces cerevisiae (Baker's yeast) ... ...

Rhodophyta

... of the kingdom Protista ... 10 %of species in freshwater habitats. 90 % marine species with tropical sites predominantly red algae. In Hawai'i, about 70 % of our marine algal species are red ... Rhodophyta (Red algae) in ...

Rhizobia

... microorganisms (SBO's) which ... Each legume species requires a specific species of rhizobia to form ... Acid soils often have ... Candidatus Liberibacter ... many (but not all) species of rhizobia as well as plant parasites ...

Predation

... Research) Predation is an interaction between species in which one species uses ... In ecology, predation describes a ... a biological interaction where a predator species ... Images showing adaptations specific to ...

Mutualism

... survivorship. Similar interactions within a species are known as co-operation. It can ... ... are ecological interactions between two species in which both benefit. ... In many trophic ... common facultative mutualism the interacting species derive benefit ... Pollination is a classic ...

Monotremes

... Mammalia Order: Monotremata Number of genera, species 3 genera; 3 The Utah Education Network ... many secrets we have ... Currently three living species of monotremes are recognised. ... ... that ... ... Monotremes . ... There are three species of monotremes , the duck-billed platypus ...

Microevolution

... few generations, also known as change below the species level . These are all examples of ... is the adaptations and changes within a species while macro ... There are three plainly ... involves small-scale genetic changes in a species over time. ... Microevolution and ...

Macroevolution

... refers to smaller evolutionary changes within a species ... In evolutionary biology today ... Is macroevolution reducible to microevolution? species sorting/selection ... This article directly ... generally refers to evolution above the species level. ... Patterns in Macroevolution . Search ...

Intergenic

... among 16S-23S rRNA intergenic spacers of species within the ` ... Encyclopedia information on ... spacer and p66 genotypes were unique to species ... We generated a set of 66 intergenic ... be too highly. conserved among the sensu stricto species to ... from S. cerevisiae that their intergenic ...

Herpetology

... for North American Herpetology over 500 species of reptiles and amphibians ... With selected ... Center for North American Herpetology over 500 species of reptiles and amphibians ... Instead, ... for North American Herpetology – over 500 species of reptiles and ... ...

Genus

... (taxon) of that rank. The binomial name of every species is formed from a genus name, followed by the species name, both normally written ... genus n. ... category ranking below a family and above a species and generally consisting of a group ...

Genetic diversity

... Species. Pollinators. Threatened & Endangered species ... Agriculture and Genetic Diversity ... ... becomes low at many genes of a species, that species ... Have students read the Why Does the ... diversity , this incredible variation within species is what ... Genetic diversity boosts the ...

Extinction

... and ecology, extinction is the end of a species or group of taxa. The moment of extinction is ... to be the death of the last individual of that species . Because a species' potential range may ... extinction is the ceasing of existence of a species or a ... The Permian-Triassic extinction alone ...

Evolutionary tree

... relationships among various biological species or other entities that are believed to have a ... believed that phylogeny, the ascent of all species through time, was expressible as a metaphor he ... be determined much faster and for thousands of species with a Office of the VP for Research News and ...

Dioecious

... - Wikipedia, the free encyclopedia. Dioecious species (the word deriving from the Greek for "two ... plants. ... functionally dioecious ¢g species and one monoecious species from tropical ... tionally dioecious ¢gs may ...

Deuterostome

... however, may be too complex to stand up ... A New species of Yunnanozoan with Implications for Deuterostome Evolution ... Diversity of deuterostome species - Professor George Wolfe discusses the diversity of deuterostome species in this video from Thinkwell's online Biology ...

Conspecific

... results. conspecific ... of the same species — conspecific noun ... Information about ... conspecific - an organism belonging to the same species as another organism ... Conspecificity This ... species. n. An organism belonging to the same species as ... conspecific . Dictionary: con·spe·cif·ic ...

Commensalism

... Commensalism is a relationship between two species where one species derives a ... For true commensalism , the second species must be unaffected by the presence of ... ...

Ciliophora

... Ciliophora are heterotrophic organisms. Some species hunt bacteria, others ... Some species of Ciliophora act as parasites towards ... or Ciliophora , includes about 7000 known species of some of the ... Phylum Ciliophora ...

Chlorophyta

... a division of green algae, includes about 7000 species of mostly aquatic photosynthetic eukaryotic ... with 8000 species. How old are they? ... 90 %of species in freshwater habitats. 10 % marine species are predominantly tropical species; many ... ...

Carrying capacity

... The carrying capacity of a biological species in an environment is the population size of the species that the environment can sustain in the long ... capacity refers to the maximum abundance of a species that can be ... In nature, however, neither ...

Biogeography

... to ... Biogeography is the study of which species live where, and why. ... We have said that ... science which deals with geographic patterns of species ... Darwin used biogeography as one of his ... distribution, and conservation status of species and ecosystems with the aid of GIS and remote ...

Asters

... The genus once contained nearly 600 species in Eurasia and North America, but after ... 1990s, it was decided that the North American species are ... Care and cultivation of Asters ...... Asters in Manitoba. ... We have about 20 species of asters in Manitoba, depending on which ...

Ascospores

... cell division. However, asci in some genera or species ... Your browser does not allow JavaScript ... develop inside ascus. ... Three European species of Hypocrea with reddish brown stromata and green ascospores ... All species described here have green ascospores . ... ...

Anagenesis

... change," is the evolution of species involving an entire population rather than a ... from an ancestral population, a new species name may be assigned. A key point is that the ... Anagenesis is the progressive evolution of species involving a change in gene ... Modes: ...

Anabaena

... members fix atmospheric ... Certain species of Anabaena have been used ... anabaena ... abilities and the researchers ... Some species of Anabaena , which can be found worldwide, ... symptoms, treatments, and other ... The species ANABAENA FLOS-AQUAE is responsible for acute .....

Allele frequency

... frequencies show the genetic diversity of a species ... For example, if the frequency of an ... cell allele so much lower in the United ... species polymorphism is likely, then allele frequencies . in the two species are not independent. ... in allele frequency ....

Trematode

... trematode usage examples and trematode quotes. ... between two species of larval trematode in the same snail. ... The hermaphroditic, adult ... deformity-causing parasites. ... A trematode that is carried by several species of snail. ... ... majority of trematode diversity, are ... All ...

Sporangiophore

... (plant class): Life cycle ) ... shoots. In these species the strobilate branches appear first, and, after the spores are shed, the ... The asexual fruiting structure (the sporangiophore ) of Pilobolus species is unique. ... The sporangiophore has the remarkable ability of ...

Sperm

... the size of ... The sperm whale, Physeter macrocephalus, is a species of marine mammal, a ... It is one of three living species in the sperm whale family. ... sperm n. , pl. sperm or sperms ...

Sepals

... in the free online English dictionary and encyclopedia. ... In some species sepals are colored like petals, and they can even be ... Sepal ... of Sepals at Dictionary.com a free online dictionary with ... In some species sepals are colored like petals, and they can even be ... Flower, ...

Punctuated equilibrium

... in evolutionary biology which proposes that most sexually reproducing species will experience little evolutionary change for most of their geological ... of punctuated equilibrium ? Under punctuated equilibrium , species usually change little as, "gradual change ... Introduction to Stephen ...

Polyploid

... are thought to be polyploid . ... Typically these polyploid species have arisen through hybridization between two ... That polyploid derivative species would have the combined genetic markers of ... ... diploid state ...
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