AP BIOLOGY

Detailed explanation-1: -The correct option is D nodes. All stems have nodes and internodes. Nodes are the points on a stem from which the buds and leaves arise.

Detailed explanation-2: -A node is an area on a stem where buds are located (figure 6). It is a site of great cellular activity and growth. It is here that small buds develop into leaves, stems or flowers. When pruning, it is important to locate a plant’s nodes.

Detailed explanation-3: -leaf node (plural leaf nodes) (botany) One of the spots upon a stem where buds and intercalary meristems occur, usually marking the end of a season’s growth.

Detailed explanation-4: -Node Internode. The point of attachment of the leaf is called node. The portion between the two nodes is known as the internode. Identified by the presence of scars or buds, leaves or branches in this region. Absence of scars or any parts such as buds, leaves, branches.

Detailed explanation-5: -A node on a plant is simply the location on a stem to which a leaf or branch is attached. If the leaf has fallen off then there will be a leaf scar. More: A node is an area on a stem where buds are located.