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.
the amount of time it takes for a phd student to finish the degree varies widely time to degree will depend on the university that the student attends the field the student is receiving the degree in the student s previous preparation and coursework and how long it takes the student to complete the dissertationt usually takes one to two years to write but some students end up spending a longer or a shorter amount of time the amount of time you spend on your dissertation will be an important determining factor in how long it takes to complete the phd