Densely

The tropical rainforest was densely populated with diverse species of plants and animals.

The densely forested area was home to a diverse range of wildlife.

The clouds were densely scattered across the sky, blocking out the sunlight.

The city is densely populated with tall buildings.

The fog settled densely over the city, obscuring the view of the skyline.

The fog was so densely spread across the valley that visibility was greatly reduced.

The city's downtown area is densely populated with tall skyscrapers.