Barbacoa ( barba'koa ) is a form of cooking meat that originated in the Caribbean with the TaÃ­no people, from which the term âbarbecueâ derives.
The effects of water pollution on ecosystems: A. are always immediate and lethal B. can magnify over time within food chains C. result mostly from point-source. pollution sources D. can be demonstrated by natural eutrophication. A. are always immediate and lethal.
Study the effect of pollution on an ecosystem. 1  Name of the pollutants. 2  Possible source of the pollutants. 3  Level of pollution. 4  Effects on the species being studied- food habits, health. 5  Effects on food chain. 6  Effects on oxygen cycle. 7  Effects on water cycle.