Answer :
Using the theories of lizard species, we got that Decreased fecundity is the life-history trait which is expected in Vivipara lizards in the mountains as compared to individuals from warmer, lowland regions.
Due to the fitness trade-offs, the mountain population must strike a balance between the survivorship and the fecundity. Therefore, the mountain population exhibits the higher survivorship but lower fecundity than lowland populations.
Hence, In the lizard species Vivipara, most females from the colder, mountainous part of the range live much longer than do individuals from warmer, lowland regions as Compared to the lowlands, the life-history trait which is expected in lizards living in the mountains is Decreased fecundity.
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