Which letter represents an organism that could be a primary consumer?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land

Which of the following is required of a new drug?me