Why are frogs considered carnivores?

Do nitrogen fixation consists of the conversion of N2 to ammonia? What are the two forms of female Capillaria philippinensis? What do Horn Toads eat? Do vampire bat bites hurt when it bites a human? How many vertebrae make up the frogs backbone? What biome is a poison dart frog most commonly found in? What is unique about frogs ears? Do wood frogs eat worms? Is there such a thing as a black frog? Pond and you have frog how do you get the frog to leave? Is a water snail amphibian? How does salamanders eat their food? Do Frogs see in black and white or color? How does the posion dark frog kill? Who is Steve Bishop at Green Tree Financial? How do you humanely get rid of tadpoles in your ponds? What are Spring Peepers? What is the name of the singing frog? Were did mermaid come from? What are the different modes of reproduction of plants and animals?

Why are frogs considered carnivores?