Mutated DNA sequences that can be passed from parent to offspring - A. occur in gametic cells
B. occur in somatic cells
C. only occur if the parent is exposed to harmful substances
D. are rejected during meiosis

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above