"The boundaries of the species, whereby men sort them, are made by men."

"It would be quite false to say that competition is the only relation that obtains between species. Mutual dependence …"

"A leaflet drops through your letter box advising on ways to avoid contracting and spreading . Your bag is searched as…"

"In a strict sense, biosecurity involves issues dealing directly with s and s, such as prevention of emergence, loss, …"

"The secure and continuous production of and are key to U.S. national security. The introduction of foreign-origin or …"

"When most physicians are asked about the realm of biosecurity, they often are able to discuss the subject in broad st…"

"Nature underpins human well-being in critical ways, especially in health. Nature provides of nutritious crops, purifi…"

"... what you can be sure of is that many organisms have declined to the point where they can never do the services fo…"

"Humanity depends on healthy ecosystems: they support or improve our quality of life, and without them, the Earth woul…"

"The affinities of all the beings of the same class have sometimes been represented by a great tree. I believe this si…"