* Binary fission: This is a simple form of asexual reproduction where a single-celled organism divides into two identical daughter cells. This is the primary mode of reproduction for bacteria and some protists.

* Budding: This involves the outgrowth of a new organism from the parent organism. The bud eventually detaches and becomes an independent organism. This is common in yeast and some invertebrates like hydra.

* Vegetative reproduction: This is a broader term encompassing various methods where new plants are produced from vegetative parts of the parent plant, like roots, stems, or leaves. Examples include runners (strawberries), bulbs (onions), and tubers (potatoes).

All three methods are asexual because they do not involve the fusion of gametes (sex cells) and result in offspring genetically identical to the parent.