A botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, he notes the following characteristics: flagellated sperm, xylem with tracheids, separate gametophyte and sporophyte generations with the sporophyte dominant, and no seeds. This plant is probably most closely related to .A. pine treesB. fernsC. mossesD. flowering plants

Option B.

A Fern

Explanation:

A Fern is a vascular plants i.e they have conducting tissues e.g xylems and reproduce by spores. They belong to the group tracheophyta.They have no seeds not flower. They have true roots and leaves. The leaves are large and are called finds. Their roots are adventurous and are called rhizomes.They have both sporophyte and gametophyte generations. They have flagellated sperm.

b.

hoped i

explanation:

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.