Large areas of tropical forests have been cleared due to a complex set of causes which vary by region; these include clearing forest ... Tropical forest plants regenerate either from sources ...

Huge reef systems flourished in the clear, tropical seas—evident today in ... the ancestors of spiders. The first true plants began to take root on land some 430 million years ago.

In-ground plants can be dug up in the fall and moved into pots with fresh compost. They make striking tropical houseplants ... He also recommends using clear plastic sheeting, tied or taped ...