During natural selection, which organisms are most likely to survive as the environment changes? ones that can best adapt to and survive in the changed environment ones that can adapt to the original environment ones that are randomly selected for survival independent of the environment ones that are randomly selected for survival in the changed environment

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse