What do we call the process by which harmful toxins become more and more concentrated in organisms in a food chain

Differences between compact bone and cartilage

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.