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(a) Intermittent growth (curve) ;
(b) Moulting / Ecdysis ;
(c) Ecdysone / moulting hormone ;
sharon kalunda answered the question on May 24, 2019 at 09:50
- What characteristics do mammalian lungs and the gills of bony fish have in common that enables them to exchange gases efficiently?(Solved)
What characteristics do mammalian lungs and the gills of bony fish have in common that enables them to exchange gases efficiently?
Date posted: May 24, 2019. Answers (1)
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What is the importance of chewing food?
Date posted: May 24, 2019. Answers (1)
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State two adaptation of herbivorous which enable them to digest cellulose?
Date posted: May 24, 2019. Answers (1)
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(a) Name the muscles labelled A and B.
(b) What happens to each muscle as the arm...(Solved)
Study the diagram below and answer the following questions.
(a) Name the muscles labelled A and B.
(b) What happens to each muscle as the arm is straightened?
(c) Name the type of joint present in part labelled X.
Date posted: May 24, 2019. Answers (1)
- State the importance of the following features in gaseous exchange;
(i) The presence of cartilage in trachea and bronchi.
(ii) Alveoli, gill filaments and tracheoles being...(Solved)
State the importance of the following features in gaseous exchange;
(i) The presence of cartilage in trachea and bronchi.
(ii) Alveoli, gill filaments and tracheoles being numerous in the respective organisms where they occur.
Date posted: May 24, 2019. Answers (1)
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Give three prevention measures of cholera.
Date posted: May 24, 2019. Answers (1)
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With a reason, name the organelles that would be found in large numbers in cell of secretory glands.
Date posted: May 24, 2019. Answers (1)
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(a) Name the parts labelled A and B.
(b) Name the...(Solved)
The diagram below shows a part of nephron. Study it and answer the questions that follow.
(a) Name the parts labelled A and B.
(b) Name the process by which the fluid found in D is formed.
Date posted: May 24, 2019. Answers (1)
- The table provided below shows stomata distribution on leaves A and B and their surface area.
(a) Identify the habitats of the plant from which leaf...(Solved)
The table provided below shows stomata distribution on leaves A and B and their surface area.
(a) Identify the habitats of the plant from which leaf A was obtained.
(b) Give a reason for your answer in (a) above.
Date posted: May 24, 2019. Answers (1)
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Distinguish between Blood plasma and serum.
Date posted: May 24, 2019. Answers (1)
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Give two nitrogenous bases in a DNA molecule.
Date posted: May 24, 2019. Answers (1)
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(a) Name the term used for this arrangement.
(b) Explain...(Solved)
The diagram below illustrate the flow of blood and water within the respiratory surface in fish.
(a) Name the term used for this arrangement.
(b) Explain the significance of the arrangement.
Date posted: May 24, 2019. Answers (1)
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State three sites of gaseous exchange in mesophytes.
Date posted: May 24, 2019. Answers (1)
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a) (i) What changes are observable at the end of the experiment?
(ii) Give the reason the...(Solved)
The diagram below shows an experiment on germination peas.
a) (i) What changes are observable at the end of the experiment?
(ii) Give the reason the observation in a(i) above.
(b) If water had been used instead of caustic potash in the experiments, what would be observed?
Date posted: May 24, 2019. Answers (1)
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(a) Hand lens.
(b) Pair of forceps.(Solved)
State one use for each of the following apparatus in the study of living organisms.
(a) Hand lens.
(b) Pair of forceps.
Date posted: May 24, 2019. Answers (1)
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Why does food stored in a refrigerator remain unspoiled longer than it does under ordinary conditions?
Date posted: May 24, 2019. Answers (1)
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Explain how various human activities cause soil pollution.
Date posted: May 24, 2019. Answers (1)
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Describe the way by which terrestrial plants are adapted to living in arid and semi-arid ecosystems.
Date posted: May 24, 2019. Answers (1)
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Describe the adaptations of wind pollinated flowers.
Date posted: May 24, 2019. Answers (1)
- The diagram below represents one of the joints in the mammalian skeleton.
a) Name the type of joint shown in the diagram.
b) Name the parts labelled...(Solved)
The diagram below represents one of the joints in the mammalian skeleton.
a) Name the type of joint shown in the diagram.
b) Name the parts labelled Z and U
c) Name two parts at the body where this type of joint is found.
d) State the functions of the fluid found in W.
e) Name the structure which attaches muscles to the bones at a joint.
Date posted: May 24, 2019. Answers (1)