A blastocyst is a cellular mass that forms early in the embryo development process in mammals. Humans develop a blastocyst about...
The aye-aye (Daubentonia madagascariensis) is a lemur, a strepsirrhine primate native to Madagascar that combines rodent-like teeth and a special thin middle finger.rom an ecological point of view the aye-aye fills the niche of a woodpecker, as it is capable of penetrating wood to extract the invertebrates within. The aye-aye is the only extant member of the genus Daubentonia and family Daubentoniidae.
4. Aye ayes are some of the most unique species of lemurs. They're often compared to woodpeckers for their ability to penetrate wood in order to extract delicious bugs within âonly rather than using a beak, these guys use their long middle finger to pull out insects after gnawing a hole in the bark.