Barbara's teacher wants her to design an oven that can be powered by a renewable resource. Which of the following energy sources could Barbara use? A
coal

B
gasoline

C
uranium

D
sunlight

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

What condition is kept close to its set point in osmoregulation? a. body temperature b. platelet count c. blood glucose level d. water balance

There are only about 250,000 known fossil species. true or false