% of species present during the Permian survived into the Triassic.

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

What is unique about the members of the group of fungi to which penicillium notatum belongs? they are not important for medicine. they are not made up of hyphae. they are used in fermentation. they lost the reproductive phase.

How are viruses different from eukaryotic cells?