In general, the she-fermions are more communicative particles, usually rather attractive having mass (some can become quite corpulent). In general, they're loving company and most of all they prefer to exchange food & energy with bosons.
Instead of this, bosons are a movable, unstable and volatile particles. They usually bouncing from one she-fermion to another by high speed. Whenever boson obtains a sufficient energy (fitness), it succeeds in mating and it is allowed to exchange its information with fermion. After such collisions a new small particles can emerge, which have structure and property signatures of both parents at the same time.
From this point of view it seems, atom nuclei or black holes are nested closely packed globular colonies of these creatures, similar to "Globe animalcule" (Volvox globator) chlorophytes. This algae can serve as a brane model of strings, being formed by 2D foam.
By AWT cambrian explosion was a result of analogous phase transition, a condensation of genes following from fast cooling. Around 5 Earth passed by so called "Snowball Earth" episode, i.e. by cryogenian period of strong cooling by the same way, like the Universe during inflation. During this a existing oceans were covered by thick layer of ice. This shock change of climate was followed by massive extinction, during which remaining organisms were forced to increase speed of their evolution and to exchange genes even in diaspora. The diaspora has lead into evolution of sexual reproduction, which is effective (and quite pleasant) method, how to increase gene mixing speed.
The speed of evolution and mutation must remain always balances in accordance to life conditions. Prokaryota still rely to horizontal gene transfer, simply because they can divide fast. Sexual reproduction is too mutagenic and energetically expensive for tiny organisms with fast paced live cycle (protozoa), so they using it only in under unfavorable conditions.
Large organisms can reproduce sexually, but sometimes tend to parthenogenesis under good life conditions: for example sharks are living in very stable conditions, so they don't evolve fast, they don't require mutations, so they're cancer resistant and hammerhead shark can reproduce asexually. A endometriosis and/or male associated infertility can be understood as an attempt for evolutionary adaptation of human organism to wealthy life conditions, where the sexual reproduction leads to unnecessary high mutagenity. Good social conditions leads to unisex life style and male population will decline gradually in analogy to mixture of particles, which undergoes the gradual evaporation of smaller particles on behalf of large ones with lower social tension.