Where do the ears of cicadas grow?
Cicadas are common insects in China, which are relatively common in temperate and tropical regions. They parasitize in the soil when they are young, and when they grow up, they climb to trees to suck the roots and sap of plants. So for farmers, it is a pest. Where are the ears of cicadas?
Where do the ears of cicadas grow?
The ears of cicadas grow near the second section of the abdomen. It is composed of a thicker tympanic membrane and 1500 tip receptors below. Usually, when there is a sound from the outside, the sound wave is transmitted to the auditory organ, and then to the brain, and finally the sound is heard. Because the sound waves can be felt is limited, so the hearing of cicadas is very poor.
How long is the life span of cicadas?
There are many species of cicadas, and different kinds of cicadas have different life cycles. Most French cicadas have a life cycle of 4 years, while North America has cicadas with a lifespan of 17 years. Most Chinese cicadas live in 3 to 7 years, of which nearly half are 5 years. A few can survive 8 to 9 years.
Generally speaking, the cicada's ears grow near the second section of the abdomen, and the hearing is very poor because the sound waves are limited.
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