Which of the following courses would be appropriate for someone studying to become a pollution control specialist? A. Issues in the Global Environment
B. Environmental History C. Fisheries D. Management Genetics

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.