- have suckers for attachment;
- has two hosts, water snail and human.
- cercariae larvae have glands which secrete lytic enzyme to soften tissue of host and therefore allow for penetration;
- some larval forms encyst and remain dormant and viable for a long time.
- adult worm produce chemicals which protects it against host's defence mechanism
sharon kalunda answered the question on May 29, 2019 at 09:04
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