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The earliest known use of the noun merriment is in the late 1500s. OED's earliest evidence for merriment is from 1574, in the writing of Ralph Robinson, translator. merriment is formed within English, by derivation.
MERRIMENT definition: 1. an occasion when people laugh or have an enjoyable time together: 2. an occasion when people…. Learn more.
- Definition of Speciation
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Speciation is a process within evolutionthat leads to the formation of new, distinct species that are reproductively isolated from one another. Anagenesis, or ‘phyletic evolution’, occurs when evolution acts to create new species, which are distinct from their ancestors, along a single lineage, through gradual changes in physical or genetic traits....
Allopatric Speciation
Allopatric speciation occurs when members of a population become geographically isolated from one another, to the extent that genetic exchange, through mating, is prevented or interfered with. This may be a result of geographical changes, such as the formation of a mountain by a volcano, island formation, habitat separation by glaciers and rivers, or habitat fragmentation caused by human activity. Alternatively, species members may emigrate, resulting in population separation by dispersal; th...
Sympatric Speciation
Sympatric speciation is the evolutionary process whereby species are formed from a single ancestral species while inhabiting the same geographic area. In contrast to allopatric speciation, the distribution ranges of species which evolve through sympatry may be identical or they may only overlap. Rather than geographic distance prompting a reduction of gene flow between populations, sympatry occurs when members of one population make use of a new niche. This could occur, for example, if a herb...
Parapatric Speciation
Parapatric speciation is an extremely rare case of speciation that occurs when a population is continuously distributed within a geographic area without any specific barriers to gene flow. Nonetheless, the population does not mate randomly within the population, but rather individuals mate more commonly with their closest geographic neighbors, resulting in uneven gene flow. Non-random mating may increase the rate of dimorphism within populations, in which varied morphological forms of the sam...
Morphology– A branch of biology that relates to the structure, form and physical characteristics of an organism.Genotype– The set of genes within DNA that is responsible for particular traits.Population– The community of animals or plants in which interbreeding occurs.Species– The largest group of organisms in which individuals can breed and produce fertile offspring.1. If a population of rats is separated by the formation of a deep canyon, this could result in: A. Peripatric speciation B. Artificial speciation C. Allopatric speciation D.Sympatric Speciation 2. Parapatric speciation would be least likely to occur in: A. Large mammals B. Insects C. Bacteria D.None of the above 3. Which of the following is not a ...
merriment in American English. (ˈmerɪmənt) noun. 1. cheerful or joyful gaiety; mirth; hilarity; laughter. 2. obsolete. a cause of mirth; a jest, entertainment, etc. SYNONYMS 1. See mirth.
The meaning of MERRIMENT is lighthearted gaiety or fun-making : hilarity. How to use merriment in a sentence.
MERRIMENT meaning: 1. an occasion when people laugh or have an enjoyable time together: 2. an occasion when people…. Learn more.
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Oct 21, 2024 · Biology, study of living things and their vital processes that deals with all the physicochemical aspects of life. Modern principles of other fields, such as chemistry, medicine, and physics, for example, are integrated with those of biology in areas such as biochemistry, biomedicine, and biophysics.
