Recessive genes will always be masked by dominant gens. this is mendel's principal of?

Eutrophication caused by human nutrient pollution.

Which of the following forest management practices is best for reestablishing areas of forest?

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