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.
It typically takes about four years to do a Ph.D., but this number is dependent on the subject the student is studying, the universityâs requirements, and the studentâs motivation to get through the program promptly. These factors can easily drag out a doctoral program to anywhere from five to ten years. Read on to learn what a Ph.D. degree program requires and how many years it takes to get a Ph.D.