-They're improving things? -Fire clears the undergrowth.

"Sense explodes from the murky undergrowth of times past.

It uses splashes of urine to mark out territories in the undergrowth where it lives.

But it's so nimble it can escape from the hunting monsters of the undergrowth.

They have travelled over two miles through the thick undergrowth to get to this fall of fruit.

A forest may consist either of closed forest formations where trees of various storeys and undergrowth cover a high proportion of the ground or open forest.

A forest may consist either of closed forest formations where trees of various storeys and undergrowth cover a high proportion of the ground or open forest.

A forest may consist of either closed forest formations where trees of various storeys and undergrowth cover a high proportion of the ground or open forest.

A forest may consist of either closed forest formations where trees of various storeys and undergrowth cover a high proportion of the ground or open forest.

A forest may consist either of closed forest formations where trees of various storeys and undergrowth cover a high proportion of the ground or open forest.