The birds-of-paradise are a group of brightly colored birds living mostly in New Guinea that have elaborate and elongated feathers. Behavioral isolation prevents different birds-of-paradise species from mating and reproducing: a)Males of one species perform orchestrated dances and sing songs that only attract females of the same species. b)Males and females of one species live on one side of the island and never venture to the other side where other species live. c)Males and females of one species are only active at night, while other species are only active during the day. d)Males of one species have shorter legs that only allow them to physically mate with females of the same species. a

a) Males of one species perform orchestrated dances and sing songs that only attract females of the same species.

Explanation:

In the above scenario, the author explain that due to behavior isolation birds of paradise with different species do not mating or reproducing because they have special behavior or characteristics.

So, the one's species males perform the orchestrated dances and sing songs for the attraction of their own species females.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

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