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A: Morphological phylogeny.
B: Molecular phylogeny.
-In the traditional phylogeny (A) , the phylum Platyhelminthes is depicted as a sister taxon to the rest of the protostome phyla, and as having diverged earlier from the lineage that led to the rest of the protostomes. In the molecular phylogeny (B) , Platyhelminthes is depicted as a lophotrochozoan phylum. What probably led to this change?
Perfectly Competitive
A market structure characterized by a large number of small firms, homogeneous products, and free entry and exit, leading to price taking behavior.
Labor Market
A marketplace or environment where workers seek employment and employers seek to hire workers, based on wage rates, demand, and supply of labor.
Economic Rent
A payment to a factor of production (such as land, labor, or capital) in excess of what is necessary to keep that factor in its current use.
Equilibrium Wage
A market-determined wage rate where the intentions of workers and employers align, leading to an agreed-upon employment level.
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