Have suckers and hooks for attachment into the host; e.g. Taenia Solium; most have long flattened bodies; to increase surface area for food absorption from the host digestive system; e.g. Round worm and Taenia Solium; Have protective structures like thick cuticles; secrete mucus; and anti – enzyme; to prevent digestion by host enzymes; produce many eggs; to ensure survival; some are hermaphrodites; so that can carry out self – fertilisation hence faster reproduction; can respire anaerobically hence live in low oxygen concerntration in the host; some have intermediate hosts; to survive unfavourable condition of the main host e.g. plasmodium, Taenia Solium
Kavungya answered the question on September 30, 2019 at 12:21
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Giving examples differentiate between ecto-parasites and endo-parasites.
(Solved)
Giving examples differentiate between ecto-parasites and endo-parasites.
Date posted:
September 30, 2019
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Answers (1)
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Quantity of Urine passed per day was established in five mammals A, B, C, D and E of the same species in their natural habitats....
(Solved)
Quantity of Urine passed per day was established in five mammals A, B, C, D and E of the same species in their natural habitats. The results are shown below.
(i) Which of the five Mammals was likely to be excreting Urine very rich in ammonia? Give a reason.
(ii) Which of the five mammals was likely to be living in a desert? Give a reason.
(iii) State two structural differences expected in the nephrons of mammals And D.
(iv) State how antidiuretic hormone (ADH) affect the amount of Urine produced by a mammal per day.
Date posted:
September 30, 2019
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Answers (1)
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How is High pressure achieved in the kidney?
(Solved)
How is High pressure achieved in the kidney?
Date posted:
September 30, 2019
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Answers (1)
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State the principal requirement of filtration that forms glomeruli filtrate.
(Solved)
State the principal requirement of filtration that forms glomeruli filtrate.
Date posted:
September 30, 2019
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Answers (1)
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State the advantages of the cell protoplasm being colloidal in nature.
(Solved)
State the advantages of the cell protoplasm being colloidal in nature.
Date posted:
September 30, 2019
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Answers (1)
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State two ways by which mammalian blood carry out homeostasis function.
(Solved)
State two ways by which mammalian blood carry out homeostasis function.
Date posted:
September 30, 2019
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Answers (1)
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The organelle below is important in the process of Nutrition.
(Solved)
The organelle below is important in the process of Nutrition.
a) Identify the organelle
b) Name the parts labeled
c)Name the part where the following stages of photosynthesis occur
d)State the role of light in the processes of photosynthesis
Date posted:
September 30, 2019
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Answers (1)
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A potential mother of blood group B- requires a blood transfusion before her first pregnancy, what blood group(s) can she receive safely if the husband...
(Solved)
A potential mother of blood group B- requires a blood transfusion before her first pregnancy, what blood group(s) can she receive safely if the husband is of Rh+ ve blood. Explain your answer.
Date posted:
September 30, 2019
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Answers (1)
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Evolutionary changes take place in a population to maintain a balanced community, basing your answer on blood transfusion, explain the role played by nature on...
(Solved)
Evolutionary changes take place in a population to maintain a balanced community, basing your answer on blood transfusion, explain the role played by nature on distribution of;
(i) Blood group O
(ii) Blood group AB in the population
Date posted:
September 30, 2019
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Answers (1)
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The table below shows the approximate distribution of human blood groups in a sample of 100 people in a population.
Calculate the percentage of Rhesus negative...
(Solved)
The table below shows the approximate distribution of human blood groups in a sample of 100 people in a population.
Calculate the percentage of Rhesus negative (Rh -) in the whole group of donors.
Date posted:
September 30, 2019
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Answers (1)
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Differentiate between Chemotropism and Phototropism.
(Solved)
Differentiate between Chemotropism and Phototropism.
Date posted:
September 30, 2019
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Answers (1)
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Give the function of the following features found in the wall of trachea and bronchi in
a mammal.
(i) Ciliated cells
(ii) Mucus secreting cells
(Solved)
Give the function of the following features found in the wall of trachea and bronchi in
a mammal.
(i) Ciliated cells
(ii) Mucus secreting cells
Date posted:
September 30, 2019
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Answers (1)
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A student estimating a cell size of an onion epidermal cells observed the following on the microscope field of view using a transparent ruler.
(Solved)
A student estimating a cell size of an onion epidermal cells observed the following on the microscope field of view using a transparent ruler.
The student identified 20 cells across the field of view. Calculate the size of the cell inMicrometers (show your working)
Date posted:
September 30, 2019
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Answers (1)
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Explain why a thirsty person should not drink soda to quench the thirst.
(Solved)
Explain why a thirsty person should not drink soda to quench the thirst.
Date posted:
September 30, 2019
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Answers (1)
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State the disease and treatment in condition where is increase in blood sugar and appearance of sugar in urine of man.
(Solved)
State the disease and treatment in condition where is increase in blood sugar and appearance of sugar in urine of man.
Date posted:
September 30, 2019
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Answers (1)
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Name the enzyme responsible for breaking down sodium hydrogen carbonate in mammalian blood to release carbon dioxide.
(Solved)
Name the enzyme responsible for breaking down sodium hydrogen carbonate in mammalian blood to release carbon dioxide.
Date posted:
September 30, 2019
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Answers (1)
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Study the diagram below and answer the questions that follow:
(Solved)
Study the diagram below and answer the questions that follow:
(a) Identify the organelle.
(b)Name the structure labelled K
(c)State two functions of the organelle named in (a) above
Date posted:
September 30, 2019
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Answers (1)
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Explain why vegetables should not be overcooked.
(Solved)
Explain why vegetables should not be overcooked.
Date posted:
September 30, 2019
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Answers (1)
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State two precautions which should be taken when storing a microscope after a laboratory exercise.
(Solved)
State two precautions which should be taken when storing a microscope after a laboratory exercise.
Date posted:
September 30, 2019
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Answers (1)
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State the use of each of the following apparatus:
I)Bait trap
ii) Specimen bottle
iii) Pitfall trap
(Solved)
State the use of each of the following apparatus:
I)Bait trap
ii) Specimen bottle
iii) Pitfall trap
Date posted:
September 30, 2019
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Answers (1)