The antennae can sense vibrations, collect and interpret odors, detect air moisture, and sense barometric pressure changes. If a cockroach loses its antennae, it will be more vulnerable to predation. Cockroaches adapt to injuries and adjust how they move their antennae until the body parts have regrown.
What happens to a cockroach without antenna?
However, when the cockroaches’ antennae were removed, the animals resorted to brute force,either ramming themselves into the block until they forced themselves up and over, or waving their front legs around until they encountered the top of the block, confirming that sensory information from the antennae is essential …
Do cockroaches have feelers?
Cockroach legs are exceptionally sensitive when touched. Their antennae, also known as feelers, are responsible for their sense of smell. Cockroaches have two small appendages on their abdomens, known as the cerci, which act as sensors.
Do all insects have 2 antenna?
Nearly all insects have a pair of antennae on their heads. They use their antennae to touch and smell the world around them. Insects have six legs that are attached to the middle section of the body, the thorax.