Biogeographers divide the Earth into faunal regions that roughly correspond to the major continents.
Drip edge or Rain groove:
Meiosis starts with a single diploid cell and when meiosis is completed we have four haploid cells — cells with a single set of chromosomes.
Kristin on June 17, at said:
A young altricial bird that has left the nest.
European paper wasp:
Also see albino.
A horny sheath that covers both jaws of a birds' beak.
See conspecific or intraspecific brood parasitism egg dumping Conspecific Brood Parasitism: