If you study biology, you should know that its goal is the study of life. So the answer is D.Measuring the rate of squirrel births in a woodland habitat
I believe the answer is: D.Measuring the rate of squirrel births in a woodland habitat
Biology comes from word "bios" which mean live and "logos" which mean study. Biology is science that study the living things. Star is not living things and it should be studied in astrology. Bank account also not living things, it should be studied in economy. Building also not living things, it should be studied in physics or engineering. Squirrel would be the only living things mentioned in the option.
