In bony fishes,growth lines in the scales are often useful in determining the __________ of the fish.
A)age
B)sex
C)breeding condition
D)state of health
E)reproductive capacity

Question

Quizplus · Accepted Answer

Growth lines in the scales of bony fishes can be used to estimate the age of the fish. Each growth line represents a year of growth, similar to the growth rings in trees. By counting the number of growth lines, scientists can estimate the age of the fish.

In Bony Fishes,growth Lines in the Scales Are Often Useful