What is the little frog in Grade One writing?

Mainly speaking, the little frog is an expert in eating pests, and we should protect and love the little frog.

The river is clear and the weather is fine. The little frog has big eyes and does a lot of good things to protect the seedlings from pests. Please take good care of the little frog so that the seedlings won't get sick.

Frogs belong to chordates, amphibians, Anura and Ranidae. Adults are tailless, eggs are laid in water, fertilized in vitro, hatched into tadpoles, and breathed through gills. After the mutation, adults mainly breathe through the lungs and skin.