Change each of the following sentences into ones that are true:

(a) Plants produce root hairs in order to absorb more water.

(b) Plants close their stomata at night to conserve water.

(c) DNA produces mRNA in order to keep ribosomes and potentially harmful high-energy enzymes away from itself.

(d) Stems and roots produce bark to keep pathogens out.

(e) Cacti and euphorbias have succulent bodies in order to store water.

(f) Certain plants have C₄ metabolism in order to reduce photorespiration.

(g) Some plants time their flowering by night length in order to avoid damage caused by blooming too early in an unusually mild spring.