Continuity mistake: In the mansion in the scene at the chess table for half the scene the chess pieces are there. The end of the scene, the pieces are gone.
Continuity mistake: Toward the end of the movie, the consul guy is running from the tribes for stealing the bat and he has a rip on his right shoulder. But in the next scene when he turns around to see the gorilla, the rip has vanished. In this same scene, when the ape opens it's mouth, you can see a shining piece of unpainted metal.
Continuity mistake: When Ace is hit with darts, his shirt falls off his shoulder but in the next shot, it's back on.
Continuity mistake: Ace is driving a monster truck, which has a high driver's seat. When he's following Cadby into the jungle, he says "loser" with a shot from inside the vehicle. You can see trees through the window, but if he were in the monster truck, he wouldn't see the ground like they showed. It seems as if he's in a normal-sized vehicle for some of the interior shots.
Answer: Not if somebody climbed up and gave him some water to drink.