Question

the rhyme pattern that occurs at the ends of lines in poetry is called
a rhyme meter.
a rhyme rhythm.
a rhyme ending.
a rhyme scheme.

Explanation:

A rhyme scheme is the pattern of rhymes at the end of each line in a poem. Rhyme meter refers to the metrical structure related to rhyme (not the pattern). Rhyme rhythm is about the rhythmic aspect of rhyme (not the pattern). Rhyme ending is a less - specific and incorrect term for the pattern.

Answer:

a rhyme scheme.