Explain co-evolution with reference to parasites and their hosts. Mention any four special adaptive features evolved in parasites for their parasitic· mode of life.

Explanation

Parasites are host-specific and parasite and its host tend to co-evolve. Co-evolve means that is the evolves a specia mechansism to reject of ressist the paresite , the parasite has to evolce the mechanisms to counteract and neutralize them, in orger to be successful with the same host species . Parasites evolve adaptations in accordance with teir llife styles like loss of sence oragns ,presence of suckes or clingings organs to cling on to loss of digestive system and hight reproductive capacity.