drag a number to complete each sentence. numbers may be used once, more than once, or not at all. resethelp returned an example of a place in the tree where a speciation event occurred is represented by the shaded area numbered .target 1 of 4 an example of a single fork is represented by the shaded area numbered .target 2 of 4 an example of a most recent common ancestor of two descendant branches is represented by the shaded area numbered .target 3 of 4 an example of a node is represented by the shaded area numbered .