Question

a scientist notices that fish have scales that are more lightly colored on the bottom than they are on the top. which of the following statements is an inference?
birds on the surface are seen eating the fish.
the water looks darker from above.
the scale color is for camouflage.
the scales on the top are thicker.

Explanation:

An inference is a conclusion based on evidence and reasoning. The first two statements are observations. The statement about scale - color being for camouflage is an inference as it is a conclusion about the function of the scale color. The last statement is also an observation.

Answer:

The scale color is for camouflage.