How many significant figures does each value have?
4.20 x 10

How can you tell the difference between rough er from smooth er?

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.

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