Host
An organism that is infected with or is fed upon by a parasitic or pathogenic organism (for example, a virus, nematode, fungus). The term can also be applied, loosely, to a plant supporting an epiphyte.
An animal or plant that nourishes and supports a parasite; the host does not benefit and is often harmed by the association.(medicine) recipient of transplanted tissue or organ from a donor.An organism that a parasite is situated within.
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms. They require other organisms to host themselves in order to survive and as such, they are regarded as obligate parasites. Learn more about viruses and cell assimilation in this tutorial...
If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them, and the roles they play in different natural ecosystems...
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas others have many cells that are organized into tissues, organs, and systems. The scientific study of the cell is called cell biology. This field deals with the cell structure and function in detail. It covers..
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of fruits, fruit dispersal mechanisms, and seed germination. The distinctions between dicots and monocots, the two major groups of flowering plants, are presented in this tutorial...
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived. Life continued to diversify resulting in the rise of different organisms competing with one another for survival. Learn more about these single-celled life forms blossoming the primitive Earth...
