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Sympatric OR allopatric speciation
Sympatry
The development of new species within a population. Two Hebe sp living in the same location but with different chromosomal numbers could suggest the reproductive isolation of the two species by polyploidy or anueploidy.
Allopatry
Genetic isolation of populations due to factors such as mountain building, glaciation. Eg the initial mountain building separated some species and the new environmental conditions changed the selective pressures acting on the gene pools, resulting in different species after reproductive isolation, eg H.speciosa and H. cupressoides.
what is the excitation threshold of a neuron?how does this threshold relate to the all or nothing rule of neural transmission
Homology indicates similarity between the two different nucleotide or the amino acid sequences, generally with potential evolutionary importance. It is probably better to use more
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bone modeling may occur?
Sympatric speciation can be regarded as speciation where parent species gives rise to a daughter species without the individuals of a species being separated by space or territory.
MANAGEMENT OF PAEDIATRIC EMERGENCIES: Let us first discuss why the children are more prone to come across emergency situations. Young children, because of their inten
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Success which signifies Optimum Health The features or clinical conditions which are representative of this group are: i) No pain or tenderness in the implant upon function.
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