They swim very fast to their prey
NO!!
loggerhead turtles do different things at different times of day. For instance earlier in the morning the lay on the beach, but later in the day they go into the water to hunt and to get out of the sun.
People hunt turtles to kill them and make Turtle soup
I'm pretty sure leatherback sea turtles hunt jellyfish
in fact turtles are the same they hunt and the are hunted
Why, just like you do! You eat, they eat. Sea turtles enjoy a smorgasbord of sea food, particularly jelly fish. You sleep, they sleep. Sleep is a prime factor of energy in life. Many organisms get energy in these ways.
Caiman, alligators and crocidiles, fish, frogs, turtles, tapir, peccaries, capybara, and deer.
Sea turtles eat sea jellies as they are the easiest of animals to catch as they will not react to it's presence. Most sea turtles mistake plastic carrier bags for sea jellies though, then suffocate and die.
Yes
deer because people hunt deer and sometimes eat them. as for turtles, you could hunt them, but most likely not to.
Alone.
they hunt by opening their mnouths, and wiggling a worm like tongue to attract fish.