What do the widths of the bars in an energy pyramid represent?

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.