HOST

(a) Write how parasites have evolved with adaptation to coexist with their hosts in an ecosystem. (b) Parasites are host specific and tend to co-evolve. How would the parasite respond if the host evolves a certain mechanism to resist or reject the parasite ?

Assertion (A). Monkey acts as a reservoir host for the parasite that causes African sleeping sickness Reason (R ). Reservoir host lodges the infective stages of the parasite when primary host is not available