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.
Masters degree = 1 or 2 years depending on the program. PhD = typically 5 years. It takes that long because of the research component. Some students choose to do an MD/PhD degree which is about 7 years. I don't know what the rest of the folks here are talking about, it's not timeless nor is it 10 years.n the humanities, it's typically over 5 years for a PhD. UPenn, for example, allots up to 10 years for the student to complete the PhD in psychology. Do grad school in the west coast, UC system is pretty great.