What is the smallest unit of study in the area of biology

As a small change in a person's dna can cause a genetic disorder

Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales