How would a scientist describe the illustrations showing the bones of a whale flipper and a bat wing?
Vestigial structures because they will lose their function over time

Homologous structures because the structures are similar but have different functions

Analogous structures because they are similar but have different functions.

Embryonic structures because they show up before the species matures.

If all prokaryotes on earth suddenly vanished, which of the following would be the mostlikely and most direct result? a) the number of organisms on earth would decrease by 10—20%.b) human populations would thrive in the absence of disease.c) bacteriophage numbers would dramatically increase.d) the recycling of nutrients would be greatly reduced, at least initially.e) there would be no more pathogens on earth.