<span>The invention of the microscope led to the development of a much more detailed classification system. Prior to the microscope, we believed the only life was life that we could visually see with the naked eye. However, with the invention of the microscope we were able to see that more life is contained in a small droplet of water than there are people on earth. It was eye-opening!</span>
<u>Answer</u>: Weber's/Weber-Fechner's law of just noticeable difference
This phychologoical law is used to quantify the perception of change for a given stimulus. The perceived change is proportional/constant ratio to the initial stimulus. Thus, it is the minimum amount of a stimulus intensity change that will produce noticeable variation in sensory experience.
As in the example, it has been shown that this law is not function very well for extremes of stimulation.
<span>They are clones of the parent plant.!</span>
A : in respiratory tract
b : digestive tract (stomach,intestine)
c : kidney (nephrone,tubules ) ovary , eye and thyroid
d: endocrine organs . <span>abdominal cavity
</span>e: hair cells of the inner ear, the receptor cellsof the taste buds, and the rods and cones of the <span>retina.</span>
