Sexual Reproduction In Animals. Sexual reproduction occurs in both unicellular and multicellular organisms which involves two individuals (male and female) but of the same species. Game puzzle picture sexual reproduction of animals internal fertilization 2.
But this is not always the case. The zygote divides mitotically and differentiates into an embryo. It is the process of development of new individuals through the formation and fusion of male and female gametes.
Sexual reproduction is commonly found in the complex, multicellular organisms.
There are certain species who have remarkable power of reproducing sexually when they are in the larval state. The offsprings thus produced from sexual reproduction resemble their parents but at the same time show variations to them. Two different sexes (male and female) take part in the process. But do you really want to know how?