Question

differentiating star clusters
sort the descriptions of open clusters and globular clusters into the correct categories.
no more than a few thousand stars
disorganized
tightly packed
more than a million stars
made of older stars
loose
open clusters
globular clusters

Explanation:

Open clusters typically have no more than a few thousand stars, are disorganized and loose. Globular clusters are tightly - packed and usually have more than a million stars and are made of older stars.

Answer:

Open Clusters: no more than a few thousand stars, disorganized, loose
Globular Clusters: tightly packed, more than a million stars, made of older stars