A Petri dish (alternatively known as a Petri plate or cell-culture dish) is a shallow transparent lidded dish that biologists use to culture cells, such as bacteria, fungi or small mosses. The container is named after its inventor, German bacteriologist Julius Richard Petri. It is the most common type of culture plate.
The oxygen produced by the chloroplasts passes out the cell by Cellular Respiration. So the answer would be D :)
Protection of certain species is a very controversial topic. Many species like the mountain lion or jaguar that are near extinction in certain areas, are threats to human life. Another reason is that they could off set the food chain when they come back and be stonger than ever. For example the mountian lion could eat out the thriving white tail deer population which was struggling because of the mountain lion. And many people rely on white tail deer for food.
Hope this helped :)
Here one of the answer Red Cedar Tree
