Final answer:
Bats utilize echolocation by emitting ultrasound waves to navigate and find food, with the echo timing indicating the distance of objects. Echolocation helps bats to 'see' using sound, allowing them to catch prey in the dark. Difficulty in houses may arise due to closely spaced objects making it hard for bats to process echo information.
Step-by-step explanation:
Bats use echolocation to detect their prey. This method involves bats emitting ultrasound waves which then bounce off objects and return as echoes. The bat assesses these echoes to determine the distance, size, shape, and even texture of the objects around them. Since the speed of sound is constant, the time it takes for these echoes to return is directly proportional to the distance the sound waves have traveled. As a result, bats can use these auditory signals to not only detect but also effectively catch their prey even in complete darkness.
When bats enter houses, they sometimes experience difficulty in navigating, which could be due to the minimal distance between objects if these objects don't provide enough separation for the bats to distinguish between different echoes, as suggested by the question about whether bats can detect echoes 1.00 ms apart, indicating the minimum distance between objects they can sense.