- 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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State two functions of muscles found in the reproductive system in females.
(Solved)
State two functions of muscles found in the reproductive system in females.
Date posted:
May 29, 2019
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Below is a simplified diagram of a flower.
i) Suggest its agent of pollination.
ii) Name the type of ovary shown above.
iii) Explain one observable...
(Solved)
Below is a simplified diagram of a flower.
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Date posted:
May 29, 2019
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Explain why the rate of transpiration is reduced when humidity is high.
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May 29, 2019
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Name the three processes that takes place in the liver to bring about difference in composition of blood in hepatic portal vein and hepatic vein.
Date posted:
May 29, 2019
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Why is the mule sterile?
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May 29, 2019
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How is the dark stage of photosynthesis dependent to light stage.
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May 29, 2019
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Two glucose molecules combine to form the disaccharide sucrose. The moleculer formula of glucose is C6H12O6 while a single sucrose molecule has the molecular formula...
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Two glucose molecules combine to form the disaccharide sucrose. The moleculer formula of glucose is C6H12O6 while a single sucrose molecule has the molecular formula C12H22O11. Account for the observation.
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May 29, 2019
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Answers (1)
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May 29, 2019
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What is the importance of a pooter to an ecologist?
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May 29, 2019
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Name the components of the enamel of teeth.
Date posted:
May 29, 2019
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The diameter of the field of view of a microscope was found to be 6mm. There were 8 cells across the diameter of the field...
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The diameter of the field of view of a microscope was found to be 6mm. There were 8 cells across the diameter of the field of
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Date posted:
May 29, 2019
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Explain why it is genetically unwise for sisters to marry brothers or father to marry their daughters.
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Explain why it is genetically unwise for sisters to marry brothers or father to marry their daughters.
Date posted:
May 29, 2019
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The apparatus shown below was set up by form two students in a certain school.
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(Solved)
The apparatus shown below was set up by form two students in a certain school.
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Date posted:
May 29, 2019
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Answers (1)
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When the tip of a plant is cut, lateral branches develop.
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(Solved)
When the tip of a plant is cut, lateral branches develop.
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Date posted:
May 29, 2019
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A certain organ K was surgically removed from a rat. It was later found that there was a drastic increase in glucose level in the
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A certain organ K was surgically removed from a rat. It was later found that there was a drastic increase in glucose level in the
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Date posted:
May 29, 2019
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Explain the biological disadvantage of growing some aesthetic plants in the living rooms.
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May 29, 2019
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In which phase of photosynthesis are carbohydrates formed?
Date posted:
May 29, 2019
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State the major role of the Vertebraterial canal of the mammalian vertebra.
(Solved)
State the major role of the Vertebraterial canal of the mammalian vertebra.
Date posted:
May 29, 2019
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State the major role of the Neural canal of the mammalian vertebra.
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State the major role of the Neural canal of the mammalian vertebra.
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May 29, 2019
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State the major role of the Odontoid process of the mammalian vertebra
(Solved)
State the major role of the Odontoid process of the mammalian vertebra
Date posted:
May 29, 2019
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Answers (1)