i tried a mock exam on bio and i found these choices... rather lame
why are large mammals sucessful in the grassland biome?
a) because they create their own shadow - - pfft! pretty lame huh
a) work for the IRS - - haha im just oozing of sarcasm, was this supposed to be a joke!?
NEWphylum porifera(sponges) is appropriately named because...
a) they are not very rich - i don't understand why the exam has these choices ??