Why Is There a Lower End to the Main Sequence

question 6

Short Answer

Why is there a lower end to the main sequence? Why is there an upper end to the main sequence?

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Definitions:

Species Diversity

A measure of the relative importance of each species within a community; represents a combination of species richness and species evenness.

Allopatric Speciation

Allopatric speciation is an evolutionary process in which biological populations become reproductively isolated and diverge into separate species due to geographical separation.

Geographically Isolated

Refers to populations, species, or groups of organisms that are physically separated from each other by geographical barriers such as mountains, rivers, or vast distances, potentially leading to genetic divergence and speciation.

New Species

A category of biological classification that represents a distinct, newly identified group of organisms different from existing species.