The water-snail is important in the life-cycle of
The water-snail is important in the life-cycle of
Explanation
The liver fluke is a parasitic worm that requires two hosts to complete its life cycle. The first host is a snail, usually a water snail, where the fluke undergoes several developmental stages. The second host is a mammal, usually a sheep or a cow, where the fluke matures and reproduces