they can't get laid so they do it themselves
they perform binary fission which is essentially splitting themselves in half.
Fungi reproduces asexually and sexually. So, both.
They can do both. asexually-they have a via spontaneus growth, like new fungus growing from the parent fungus ; sexually-they have mycelium that produce male and female cells. These parts join...
Conidia. Haploid asexual spores.
Sure can. In fact many people pay good money for drugs to keep the proliferating things from growing on them.