Answer – C (Using instruments that have not been calibrated).
When the integrity of an instrument’s calibration has been compromised (usually due to exposure to a shock, vibration, or physical damage), it needs to be calibrated; failure to do this inevitably leads to inaccurate measurement; this is a very common measurement error.
Answer:
Animals have specialized <u><em>sensory receptor</em></u> cells that can detect light, sound, or other stimuli.
Explanation:
Sensory receptor cells can be described as specialized cells which allow each sensory organ to perform it's specialized function. For example, the photoreceptor cells are sensory receptor cells which help us to detect light. The auditory receptor cells help us to recognize or hear a sound. Sensory receptor cells are present in animals and are essential for many essential phenomenons in the life of the organism.