AP BIOLOGY

Detailed explanation-1: -The correct answer is ‘angiosperms’.

Detailed explanation-2: -The ferns, gymnosperms, and flowering plants are all vascular plants. Because they possess vascular tissues, these plants have true stems, leaves, and roots.

Detailed explanation-3: -Vascular plants have roots, stems and leaves.

Detailed explanation-4: -All extant vascular plants have true roots (with few exceptions) distinguished by positive gravitropism and a root cap protecting a meristem that allows continuous growth.

Detailed explanation-5: -Solution: Bryophytes lack true roots, leaves and stem. Angiosperms, gymnosperms and pteridophytes possess true roots, stem and leaves.