the answer to that is by vibration. in the wind.
A radio telescope
Yes, that is correct.
white blood cells
sonar(sound navigation and ranging)
flame cell
Yes, the grasshopper's compound eyes see motion. Yes, the grasshopper's compound eyes see motion. Yes, the grasshopper's compound eyes see motion. Yes, the grasshopper's compound eyes see motion.
Compound eyes detect motion, and simple eyes detect light. or The compound eyes are used to "see". The simple eyes are used to detect light intensity.
A bat is suited for its environment because of its ears. Bats are blind. Their sounds bounce of objects that allow them to detect items that surround them.
It doesn't directly. A wind tunnel is used to detect the airflow over objects such as cars and planes to improve the streamlining.
They allow you to see infared rays
Insects like grasshoppers have heat receptors in their body to detect heat. They also have antennas which help them detect movement and vibrations.
detect any changes in the environment (noise level, vibration, temperature)
they use sonar like bats do to detect objects that are in their path
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A radio telescope.
radar