Answer:
The correct answer is : parasitism.
Explanation:
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.
Thus, the correct answer is : parasitism.
D. Lymph nodes are the filtering points throughout the body... found in the lymphatic system
I think it'd be change in allele frequencies & microevolution.
tonsils are large lymphatic nodules h are located in the walls of the pharynx