Asexual reproduction is incorrect because genetic variation comes from sexual reproduction. This is due to the fact that both parents pass their genes to the offspring. Asexual reproduction is just copying the parent's genes. Furthermore, Asexual reproduction has only one parent whereas Sexual Reproduction has two, the question says parents as in plural.
The answer to this is 60th.There are a lot of people who would like to learn more about this in general because they know that this can help improve their photography skills. Some people are naturally good at taking photos but there are also some who need to make more effort so that they can take the picture that they want.
Knowing how to shoot manually will provide you with better pictures that may not need to be edited too much. The fact that most cameras as digital now will not stop people who have always loved film cameras. Some people still have their own developing room inside their own homes.
The answer that it gives, asexual reproduction, is wrong. Genetic variation in organisms comes from sexual reproduction. Offspring recieve their genes from their parents, each of which give certain traits to the baby. Also, sea stars don’t even reproduce asexually, so this answer doesn’t make any sense.