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 succeede 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 Genesis formation of life occurred in six steps, non-uniformly distributed in space-time scale, but equidistantly separated in entropy density scale ("days"). The first stage was a formation of space and time ("heavens and the earth") inside of graviton condensate ("darkness over the deep and God's breath (Aether) hovering over the waters" (waves?)). Gravitons are ambivalent particles, serving both like boson, both like fermions due the supersymmetry.
During Big Bang event (''let there be light") phase transition of space-time has occurred, followed by separation of first generation of bosons, i.e. photons ("God separated the light from the darkness") in process of so called inflation, which resulted into condensation of black hole dome, forming observable generation of Universe ("let there be a dome in the midst of the waters"), i.e. the vacuum in particular ("God called the dome Sky").
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.
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.