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Lays many eggs;eggs have a protective shell to survive harsh environmental conditions.
Has thick elastic cuticle protecting it against digestive enzymes;has tissues tolerant to low oxygen concentration, has muscular pharynx to suck digested food.
Belan answered the question on March 12, 2019 at 14:46
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State two advantages of maintaining a constant body temperature in mammals.
Date posted: March 12, 2019. Answers (1)
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What are the factors limiting primary productivity in an aquatic ecosystem?
Date posted: March 12, 2019. Answers (1)
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What is the effect of gibberellins on shoots of plants?
Date posted: March 12, 2019. Answers (1)
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State the major distinguishing feature of a cervical vertebra.
Date posted: March 12, 2019. Answers (1)
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Date posted: March 12, 2019. Answers (1)
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Date posted: March 12, 2019. Answers (1)
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Explain the various ways in which a typical cell is adapted to its functions
Date posted: March 12, 2019. Answers (1)
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State how the epithelial tissue is adapted to its function
Date posted: March 10, 2019. Answers (1)
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State two characteristics of division Bryophyta.
Date posted: March 10, 2019. Answers (1)
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Explain why bile is an excretory product as well as a digestive secretion.
Date posted: March 10, 2019. Answers (1)
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(i)Plants?
(ii)Mammals?(Solved)
Where does meiosis occur in:
(i)Plants?
(ii)Mammals?
Date posted: March 10, 2019. Answers (1)
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State two ways of controlling schistosomiasis.
Date posted: March 10, 2019. Answers (1)
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Stare three external characteristics that distinguish mammals from other vertebrates.
Date posted: March 10, 2019. Answers (1)
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What is meant by 'survival of the fittest'?
Date posted: March 10, 2019. Answers (1)
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(i)Amoeba.
(ii)Butterfly.(Solved)
State the structures for gaseous exchange in the following organisms:
(i)Amoeba.
(ii)Butterfly.
Date posted: March 10, 2019. Answers (1)
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Distinguish between excretion and homeostasis.
Date posted: March 10, 2019. Answers (1)
- The population of fish pond in a pond was estimated using capture-recapture method.
(i)What equipment was used?
(ii)Describe the procedure used in the experiment.
(iii)State the formula...(Solved)
The population of fish in a pond was estimated using capture-recapture method.
(i)What equipment was used?
(ii)Describe the procedure used in the experiment.
(iii)State the formula for calculating the total population of fish in the pond.
Date posted: March 10, 2019. Answers (1)
- (a)(i)State two reasons why clot formation is important, when a blood vessel is cut.
(ii)Explain what happens if a clot forms in a blood vessel in...(Solved)
(a)(i)State two reasons why clot formation is important,when a blood vessel is cut.
(ii)Explain what happens if a clot forms in a blood vessel in the head.
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(c)Name two proteins that are involved in clot formation.
Date posted: March 10, 2019. Answers (1)
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Elaborate on how soil nutrient composition affects photosynthesis?
Pay attention to how soil nutrient composition with regard to macro and micro nutrients affects photosynthesis, other factors remaining constant.
Date posted: March 9, 2019. Answers (1)
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State the function of the choroid in the human eye.
Date posted: March 8, 2019. Answers (1)