5. Study the food chain below. Mosquito
==> Frog ==> Snake ==> Crocodile ==> Plant
Which of the following statement about the food chain is correct?
a. The food chain can be commonly observed in a garden.
b. There are four predators and four preys in the food chain.
c. The crocodile is the predator of frog.
d. The crocodile depends on the plant for energy.​