AP BIOLOGY

Detailed explanation-1: -angiosperms. In alternate-leaved plants, the leaves are single at each node and borne along the stem alternately in an ascending spiral. In opposite-leaved plants, the leaves are paired at a node and borne opposite to each other.

Detailed explanation-2: -Phyllotaxy is the pattern of arrangement of leaves on the stem. It is of three types. Alternate: A single leaf arise at each node. E.g. China rose, sunflower, etc. Opposite: A pair of leaves arise at each node, opposite to each other.

Detailed explanation-3: -adjective [ADJECTIVE noun] An alternative plan or offer is different from the one that you already have, and can be done or used instead.

Detailed explanation-4: -In botany, phyllotaxis (from Ancient Greek (phúllon) ‘leaf’, and (táxis) ‘arrangement’) or phyllotaxy is the arrangement of leaves on a plant stem. Phyllotactic spirals form a distinctive class of patterns in nature.

Detailed explanation-5: -Alternate leaves connect to the stem one at a time. Opposite leaves connect to the stem in pairs. Whorled leaves connect to the stem in groups, making a whorl. Basal leaves connect to the base of the plant.