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External ear/pinna.
Hair/fur.
Mammary glands.
Belan answered the question on March 10, 2019 at 09:29
- What is meant by 'survival of the fittest'?(Solved)
What is meant by 'survival of the fittest'?
Date posted: March 10, 2019. Answers (1)
- State the structures for gaseous exchange in the following organisms:
(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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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)
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State two characteristics of living things that are observable in both plants and animals.
Date posted: March 8, 2019. Answers (1)
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Name three structures observed in an animal cell using a light microscope.
Date posted: March 8, 2019. Answers (1)
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State three harmful effects of alcohol (ethanol) to human health.
Date posted: March 8, 2019. Answers (1)
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Name two dental diseases.
Date posted: March 8, 2019. Answers (1)
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State the role of the following hormones.
(i)Follicle stimulating hormone.
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Date posted: March 8, 2019. Answers (1)
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State the function of pleural fluid during breathing in humans.
Date posted: March 8, 2019. Answers (1)
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What is the role of fungi in an ecosystem?
Date posted: March 8, 2019. Answers (1)
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What causes diabetes insipidus?
Date posted: March 8, 2019. Answers (1)
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Name the regions of the mammalian kidney.
Date posted: March 8, 2019. Answers (1)
- (i)Distinguish between passive and active immunity.(ii)What is Acquired Immune Deficiency Syndrome (AIDS)?(Solved)
(i)Distinguish between passive and active immunity.
(ii)What is Acquired Immune Deficiency Syndrome (AIDS)?
Date posted: March 8, 2019. Answers (1)
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Give two reasons why water lily have stomata on the upper epidermis only.
Date posted: March 6, 2019. Answers (1)
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(ii)Explain why companion cells are located next to the sieve tubes.(Solved)
(a)(i)State the function of companion cells.
(ii)Explain why companion cells are located next to the sieve tubes.
Date posted: March 6, 2019. Answers (1)
- Define the following terms:
(a)Tissue.
(b)Organ system.(Solved)
Define the following terms:
(a)Tissue.
(b)Organ system.
Date posted: March 6, 2019. Answers (1)