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What is divergence in evolution?
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.
What is the accumulation of differences between groups that lead to formation of new species?
Genetic, behavioural and morphological divergence, or genetic drift.
How are inherited features represented on cladograms?
Cladograms are created via optimization and minimization. Some of the methods used are molecular versus morphological characteristics, or plesiomorphies and synapomorphies. In depicting these, the furthest ancestor depicted is at the bottom or far left, and divergence splitting the line as it travels up or to the right.
What is gradual speciation speciation?
The gradual model of speciation holds that species originate by slight morphological changes over long time spans. For example, sedimentary rock layers ofen hold veritical sequences of fossilized shelles of foraminiferans. The sequnce reflects graduatal morphological change. (From my Biology 101 book: 'Biology: The Unity and Diversity of Life').
What is divergence in relation to evolution?
Increasing divergence between reproductively isolated populations, occasionally leading to speciation, is one effect of evolution.
What is the difference between morphological divergence and homologous structure?
Morphological divergence is a process resulting in homologous structures.
Are the bones in your arm and hand comparable to bones in a whales flipper because of morphological divergence?
No
The bones in your arm and hand are comparable to the bones in a whale's flipper if we account for?
morphological divergence
What is divergence in evolution?
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.
What is the accumulation of differences between groups that lead to formation of new species?
Genetic, behavioural and morphological divergence, or genetic drift.
What is morphological divergence?
A change from the body form of a common ancestor. Produces homologous structures that may serve different functions. Speaking of evolution. Bones from a human hand are similar but different in numerous species: Chicken, pengun, porpoise, and bat for example. Each used for vastly different jobs but the bones have undergone morphologic 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 does cultural divergence?
With cultural convergence, cultures are coming together. With cultural divergence cultures are kept separate. Celebrating Cinco De Mayo in the United States is an example of cultural convergence. The Day of the Dead Celebration in Mexico is an example of cultural divergence.
What is an example of a continental to continental divergence?
the great rift valley of Africa
Is the process of pluralization morphological?
Aboslutely. Every language has its exceptions to this rule (an example of such an exception being the word sheep in English) but, most of the time, pluralization is morphological.
What is an example of cultural divergence?
speak against that point in which the other one is in favour.
Can you have an example of Morphological adaptation?
Buttressed tree trunks. Tree species (e.g. Taxodium distichum) may develop enlarged trunks in response to frequent inundation. This adaptation is a strong indicator Morphological adaptation
