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Animal Reproductive Strategies The ultimate goal of each species is to produce the maximum number of surviving offspring using the least amount of energy. This is called the reproductive effort. Asexual reproduction is energy efficient (low reproductive effort) as it involves only one animal. Sexual
Most animals (including humans) and plants reproduce sexually. Sexually reproducing organisms have different sets of genes for every trait (called alleles). Offspring inherit one allele for each trait from each parent, thereby ensuring that offspring have a combination of the parents' genes.