A particular single-celled organism uses radiant energy to fix carbon as sugars. This organism generates ATP by breaking down sugars through a process that uses oxygen. Based on this information, how should this organism be classified? А. aerobic autotroph B. aerobic heterotroph c. anaerobic heterotroph D anaerobic autotroph

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

and after water is usually warmed by the sun the water temperature raises and then evaporates .

answer; three;