Which if the following statements best explains why the plant life cycle is described as an "alternation of generations"? a. the plant life cycle is divided into young and old generations. b. the plant life cycle alternates between two different species of plants. c. the plant life cycle includes both photosynthesis and respiration. d. the plant life cycle goes back and forth between a haploid stage and a diploid stage.

The correct answer is option D.

Explanation:

In plants there are two generations of the life cycle takes place in alternation. The haploid life cycle is called the gametophyte life cycle with a haploid number of chromosomes and diploid stage or life cycle called sporophyte with diploid or two sets of chromosomes.

Thus, the correct answer is option D.

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.