Parasitism is a symbiosis relationship in which two organism lives together but only one is benefited and other harm in any means. Toxoplasma is, in this case, parasite which is benefited while cats are host and harmed in this relationship.
Degree and chances of harm or benefit do not defines the symbiosis relationship between two organism. Cats are rarely harmed but still harmed in this relationship.
Why not use adult stem cells instead of using human embryonic stem cells in research? Human embryonic stem cells are thought to have much greater developmental potential than adult stem cells. ... However, a newer type of reprogrammed adult cells, called induced pluripotent stem cells, has proven to be pluripotent.
The lower the area, the warner it is, because of the change in air pressure. Less air and less air pressure results in colder temperatures even though higher places may be closer to the sun.
