Selecting entities using Select by Layers dialog
Click
(Geometry tab > Selection panel > Layers or Mesh tab > Selection panel > Layers).
The Select by Layers dialog opens.
In the dialog, click the layer name.
All entities assigned to the layer are selected in the Model View pane.
Tip: To select entities from multiple layers, press Ctrl or Shift and click the names of layers.
You can select entities from layers that are displayed in the Model View pane.