Which of these animals has only one ear?
C. Praying Mantis
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The Correct Answer is C. Praying Mantis
In its name, the praying mantis gets its name from its prominent front legs, which are bent and held at an angle that suggests prayer. In order to decipher visual cues, the praying mantis has two large, compound eyes. The praying mantis, however, has just one ear, located on the underside of its belly, just forward of its hind legs. Thus, the mantid cannot detect the direction or frequency of a sound.
Bats echolocate by producing ultrasound, which this device can detect. Bats are quite good at evading praying mantids, according to studies. In flight, a mantis will dive bomb away from a predator by stopping, dropping, and rolling in midair. Most mantids do not have an ear, and those that do are usually flightless, so they do not have to flee flying predators like bats.
No matter what name they go by, these fascinating insects are formidable predators. The triangular heads of these creatures stand on an elongated “neck,” or thorax. With their two large compound eyes and three other simple eyes located between them, mantids can turn their heads 180 degrees to scan their surroundings.
Common Name: Praying Mantis
Scientific Name: Mantis religiosa
Average lifespan in the wild: 1 years
SIize: 0.5 to 6 inches long