What structural features are characteristic of organisms leading a parasitic lifestyle?

Organisms that lead a parasitic lifestyle are characterized by a number of structural features:
1. There is a simplification of the organization of the body: the nervous system, the musculoskeletal and the sensory system disappear. In contrast to the above systems, parasites have a developed reproductive system. Parasitic individuals must produce huge offspring.
2. In addition to the above, parasitic worms have attachment organs – suckers, hooks. The body is covered with tissue that is resistant to digestion.



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