Your just really annoyingThe exam was pretty easy, I guess I got 95 raw to be really honest. I topped the state from by looking at the paper my self, the answer to 12 is c.
QUESTION 17: is B because the first line gives us a clue, Hot northern Australia, so from here, you can clearly see A and D is wrong, leaving us B and C. C is wrong necause only endotherms can maintian a constate body temperature. B is the answer because insects are invertebrate, hence insects are ectoderms which the environment to warm or cool them up, so the go inside the mounds to cool down in hot afternoon.
See I proved it.