PAL-1 is regulated by the MEX-3 protein, an RNA binding protein that inhibit the translation of pal-1 mRNA.

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#Unit 10. Ecological Principles

The differentiation of niches that enables similar species to coexist in a community is called resource partitioning.

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#Unit 10. Ecological Principles

          Richard hypothesis 

            

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#Unit 10. Ecological Principles

Resource partitioning promote coexist  of ecologically similar species

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#Unit 10. Ecological Principles

                                   Richard hypothesis 

d/w = resource separation ratio.

d/w < 1, species cannot coexist;

1 < d/w < 3, there will be some competition between species

d/w > 3, species coexist harmoniously

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#Unit 10. Ecological Principles

                     Proportional similarity analysis

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#Unit 10. Ecological Principles

Proportional similarity values of less than 0.70 have been taken to indicate possible coexistence

While those greater than 0.70 indicate competitive exclusion.