As PCBs move up the trophic level in food chains, of food web, their concentration increases. What is that called?

Explain the side effects of cancer treatments

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems

The effect of a hormone on a target cell may be decreased by the presence of