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Divergence is the growing apart of two lineages - lines of descent. Divergence may occur at the morphological, behavioural and developmental level, and will always occur at the genetic level, at least when two lineages are reproductively isolated from one another.
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What is divergence in relation to evolution?
Increasing divergence between reproductively isolated populations, occasionally leading to speciation, is one effect of evolution.
What are the four stages of evolution?
There are no stages to evolution. It is a continuous process of adaptation and divergence.
Does the amount of chromosomes in a species affect its rate of evolution?
The "rate" of evolution is most accurately gauged in terms of divergence between genetic sequences. Chromosomes are basically groupings of such sequences. It is certainly possible that the number and order of these groupings affect future developments (for instance: polyploidy and chromosomal fusions can affect speciation events), but they do little to affect the overall "rate" of divergence.
What is the difference between evolution coeveolution convergent evolution and divergent evolution?
Convergence= occurs when different creatures have similar organs...and disproves evolution, but reveals an Intelligent Designer, i.e. Creator God. Divergence = very different-diverse-features in plants or animals which ought to be very closely related. See more on the web.
What is an example of observed evolution?
There are many thousands of papers, even considering only recent publications, that detail examples of contemporary evolution. Some of these are about experimental evolution, others about observations of evolution in the wild.The following (fairly recent) paper details one of such observations, in this case about the influences of human settlement on the behavioural and morphological development of populations of blackcaps:Rolshausen et al, 2009, Contemporary evolution of reproductive isolation and phenotypic divergence in sympatry along a migratory divide, Current Biology 19.
What is divergence in relation to evolution?
Increasing divergence between reproductively isolated populations, occasionally leading to speciation, is one effect of evolution.
The accumulation of differences between species or populations is called?
divergence / divergent evolution
What are the four stages of evolution?
There are no stages to evolution. It is a continuous process of adaptation and divergence.
What is often a result of evolution?
Adaptation, divergence and speciation.
The accumulation of differences between populations that once formed a single population is called?
divergent evolution
The evolution of one or more species from a single ancestor?
divergence.
What is an example of divergent evolution?
Basically, divergence is the "default mode" of evolution. So virtually all species you can think of would be examples of divergence. Even in cases of parallel and convergent evolution, the underlying genomes will continue to diverge. An often used example of divergent evolution in the morphological and behavioural sense is Darwin's finches.
What are the two speeds that evolution can happen?
There are no discrete speeds for evolution. A workable method for measuring evolution could be in terms of genetic divergence, measured, for instance, in nucleotide basepairs per million per year. For humans and chimps, such a method would yield an equivalent of about 600 bp divergence per generation, ie. about 0.01 bp per million bp per year.
What are the major laws in evolution?
Answer 1As there is only one law of evolution, which is the natural " Law of evolution". All others are false. The Law of evolution is the naural changes in all things through better eating, living conditions, better health care and so on. The "Law of evolution" has been going on since our first parents. The "Theory of evolution" is according to mans own ides.Answer 2There are a number of "laws of evolution", although I could not tell you whether they are "major" or not. A few examples:- The law of genetic divergence of reproductively isolated populations. This states that, when the entirety of the population gene pool is assayed, one will observe divergence between reproductively separated populations. More often than not, such genetic divergence may be associated with morphological and behavioural divergence.- Evolution is irreversible. On the level of the population gene pool, this means that genetic divergence between separated populations will only increase, never decrease. On the level of the single lineage, this means that one should not expect to see a reversal of a feature to an earlier state on the genetic level: the chances are massively against such an occurrence, and decrease with every offset basepair. Note that this law specifies divergence on the genetic level: even diverging genetics may still produce convergent phenotypes.See the YouTube video linked below for a more indepth treatise on some of the laws of evolution.
Does convergent evolution result in speciation?
All evolution that results in increasing genetic divergence between subpopulations may result in speciation. That includes convergent evolution: convergence occurs at the phenotypical level, not at the genetic level.
When did the origin of species happen and how?
Evolution, which includes the divergence of lineages and the formation of new species as a result of that, is something that is happening continuously, in all lifeforms.
Does natural selection explain macro-evolution?
Evolution produces new species. Macro-evolution is the term used to indicate such divergence at a scope beyond that of the single species. It's not referring to a different process, but to a different perspective on the same process.
