At what stage did reproduction in many species switch from asexual to sexual? Like so many other things the link from asexual to sexual reproduction in humans is missing. How was it that two different mutations happened in such a way that one individual had something the another individual needed for reproduction? The odds of life starting from nothing is staggering, what are the odds that two mutations would happen that work together so perfectly?
Even plants reproduce sexually. While plants can self pollinate they also rely on things such as bees, bats, wind, birds, and humans to transfer pollen. The odds of developing sexual reproduction by chance is staggering enough as it is, but introducing this third party to transfer pollen makes it even more unlikely to happen by chance. It’s things like this that solidify my belief in an intelligent (and loving) designer of this world we live in.
The heavens declare the glory of God; the sky displays his handiwork. Day after day it speaks out; night after night it reveals his greatness. There is no actual speech or word, nor is its voice literally heard. Yet its voice echoes throughout the earth; its words carry to the distant horizon.
Psalm 19:1-4 (NET)