Could not find any links for specified country. Please check back later. Xylem is the world leader in tough, portable and reliable pumps for multiple applications. Our broad product range in combined with extensive application experience ensure the right solution that meets your specific needs. Submersible pumps can handle small drainage jobs to larger dewatering projects.
An obligate parasite, or holoparasite, is a parasitic organism that cannot complete its life-cycle without exploiting a suitable host. If an obligate parasite cannot obtain a host it will fail to reproduce.
A parasite is an organism that obtains food and shelter from another organism and derives all benefits from this association. The parasite is termed obligate when it can live only in a host; it is classified as facultative when it can live both in a host as well as in free form.