Oral isotretinoin is the best treatment for patients with moderate acne in whom antibiotics are unsuccessful and for those with severe inflammatory acne. Dosage of isotretinoin is usually 1 mg/kg once/day for 16 to 20 wk, but the dosage may be increased to 2 mg/kg once/day.
Lots of different predators will prey upon other predators: Golden eagles are well known predators of smaller hawks. Collared lizards will eat other lizards. Crocodilians will feed on other predators, such as monitor lizards, snakes and even lions that come to the water to drink. Many snakes will eat other snakes. Some frogs, like the horned frogs of South America and the African bullfrog, readily feed on other frogs.
A predator is an animal that eats other animals, and the prey is the animal that gets eaten by the predator. In the food chain above: the frog is a predator and the grasshopper is its prey. the hawk is a predator and the frog is its prey. 1  Page. 2  1. 3  2. 4  3. 5  4.otice that the first consumer in the chain is also called the primary consumer, the next one is the secondary consumer and the one after that is the tertiary consumer. A consumer that eats plants is called a herbivore, and a consumer that eats other animals is called a carnivore.