Lion comes from Greek leon or leontos, which comes itself from ancient Egyptian lawai, which was the original word for a lion.
Spider monkeys are mostly vegetarian and therefore no animals can be considered as their prey.
Possibly a baby giraffe, but cheetahs lack the strenght of other big cats and would never mess with an adult giraffe, or even with a baby protected by its mother. (Giraffes can deliver powerful kicks with their plate-sized hooves and easily injure a large predator).
No. They are only found in North and South America.
The worst enemy of T-Rex was another T-Rex. There is fossil evidence that these animals killed each other and even ate each other once in a while. Other than that, only Deinosuchus (a gigantic alligator) could be considered as an important enemy of T-Rex.
Burrowing owl chicks mimick the sound of rattlesnakes to scare predators away; fulmar chicks vomit a stomach oil that can ruin the feathers of predatory birds; cuckoos imitate the appearance of the dangerous Sparrowhawk; many owls puff up their feathers to make themselves look bigger and more menacing; ostriches, cassowaries and emus can deliver powerful … Read more