What role do animal preserves play in maintaining ecosystem biodiversity?

Animals preserve play very important role in maintaining ecosystem biodiversity. In animal preserves, animals are protected from the harmful effects of the changes which occur in the environments due to human intervention. In animal preserves,

animals should be kept in proper environment and provide a proper place for living and food in order to increase the population of the animals.

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.

its temperature is increasing. this causes molecular vibrations to increase.