Both males and female animals have special behaviors to increase their chance of sexual reproduction. Give an example of one of these behaviors.

Sexual reproduction increases the chances of acquiring favourable mutations. Aphids, for example, will favour asexual reproduction when their environment is additionally, in most species, females are more likely to provide parental care.  Social monogamy is the behavioural pairing of a single male with a single female.

Explanation:

I think this is right but I don't know to be honest.

If it's right then that's good but if it's wrong then sorry I don't have a clue.

"d.) carbon dioxide and hydrogen sulfide"