9. In one or two sentences, describe how the available energy may affect the population sizes of organisms at different trophic levels

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2

What characteristic makes a cell membrane selectively permeable

Which technology do environmental scientists use to track the movements or polar bears and other vulnerable populations? a) geographic information system(gis) b)environmental dna(edna) surveillance c) global positioning system(gps) d) unmanned aerial system (uas)