Economics of biodiversity economic loss led by the invasive species and vectors can be reduced. However, even with extensive research into the control species, their use is a risky business, as in the importation of the Cane Toad to control beetles in Queensland. A wide variety of plants, animals and fungi are used as medicine. Wild plant species have been used for medicinal purposes since before the beginning of recorded history. Over 60% of world population depends on the plant medicines for their primary health care. For example, quinine comes from the cinchona tree has been used to treat malaria, digitalis from the
Read's Drug Store two walls; preservationists argued that both plans were insufficient. Activists want the building preserved and turned into a civil rights museum. They accuse the city of "demolition by neglect": avoiding minor repairs and allowing the building to collapse in order to make room for development. Support for preserving the building comes from Baltimore Heritage, a non-profit historical preservation group, and the Jewish Museum of Maryland, which celebrates the Nattans' decision to desegregate early. Read's Drug Store Read's Drug Store was a chain of stores based in Baltimore, Maryland. Read's Drug Store was founded by William Read. He sold it to