in the ant-treehopper study illustrated in the text, why did the scientists assign plants in the study plot to the ants-present versus ants-removed groups at random—instead of, for example, assigning all the plants on the west side of the plot to the ant-present group and all the plants on the east side to the ants-removed group?

Building glycogen from glucose molecules is an example of what

Where can dna be found in a prokaryotic cell

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey