However, certain wasp species such as pollen wasps have similar behaviours, and a few species of bee scavenge from carcases to feed their offspring. The world's largest species of bee is thought to be the Indonesian resin bee Megachile pluto, whose females can attain a length of 39 millimetres (1.54 in).
For a Ph.D. in Psychology: Most Ph.D. programs require at least 5 to 7 years to complete. In addition to regular coursework, you may also be expected to complete an internship or supervised residency. The program usually culminates in completing an original research project or dissertation.
Traditionally, a PhD involves three to four years of full-time study (can be six years or more if studied part-time), in which the student completes a substantial piece of original research presented as a thesis or dissertation.ost institutions require that candidates hold an honors degree or a masterâs degree with high academic standing, along with a bachelorâs degree with at least upper second-class honors. In some cases, you can also apply for a PhD simply on the basis of your masterâs degree grades.