is a point in a cladogram where a single ancestral lineage breaks into two or more descendant lineages

Node, Claude

Explanation:

Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two nodes is called an internode.

A clade is a grouping that includes a common ancestor and all the descendants (living and extinct) of that ancestor.

i think that it is plants

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.