Examlex
How do all viruses differ from bacteria?
Intensity Threshold
The minimum level of stimulus required to elicit a perceptible response or reaction in a biological system.
Sound Frequency
The number of sound vibrations per second, measured in hertz (Hz), affecting the pitch of the sound.
Crickets
Insects of the order Orthoptera, known for the chirping sound males make by rubbing their wings together, often associated with summer nights.
Ultrasonic Bat Calls
High-frequency sound waves emitted by bats for navigation and locating prey, inaudible to most other species.
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