Traditional Culture Encyclopedia - Traditional culture - Does the frog swim in the water or walk on the ground?
Does the frog swim in the water or walk on the ground?
Frogs are amphibians, belonging to Chordata, Amphibia, Anura and Ranidae. Its adult has no tail. Its 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.
Extended data Amphibians inherited the aquatic characteristics of fish, such as the morphology of eggs and larvae, and the way of laying eggs. There are also new roles that adapt to life on earth, such as sensory organs, motion devices and respiratory and circulatory systems. Metamorphosis is not only a new adaptation, but also reflects the changing process of the main organ system from water to land.
Generally, they are active in hiding places from dusk to dawn, spend the summer or hibernate in hot or cold seasons. Feeding on animal food (frog tadpoles mainly scrape plant food). Fish, snakes, birds and animals can all be their natural enemies. There are aquatic, terrestrial, arboreal and burrowing.
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