The table below shows approximate numbers of organisms found in an ecosystem.

The table below shows approximate numbers of organisms found in an ecosystem.

(a) Using the information in the table draw a pyramid of numbers.
(b) Explain what would happen to the other organisms if all the lizards suddenly died off.

---

(b) -Grasshoppers will increase;
- Snakes will decrease;

---

sharon kalunda answered the question on September 13, 2019 at 10:20

Exams With Marking Schemes

• Grade 1
• Grade 2
• Grade 3
• Grade 4
• Grade 5
• Grade 6
• Grade 7
• Grade 8
• Grade 9
• PP1
• PP2
• Playgroup
• Form 1
• Form 2
• Form 3
• Form 4

Related Questions

---

• The photographs labelled K, L, M, N and P below are bones obtained from a mammal. For each of the bones K, L and M,... (Solved)
  

  The photographs labelled K, L, M, N and P below are bones obtained from a mammal. For each of the bones K, L and M, two views are shown.
  
  (a) Identify the bones and name the part of the mammalian body from which each was obtained. (5mks)
  (b) Name the parts labelled 1, 2 and 4.
  (c) Name the bones that form a joint with bone K at its anterior and posterior end
  and in each case name the type of joint they form.
  Anterior end.
  (i) Bone(s)
  (ii) Type of joint
  Posterior end.
  (i) Bone(s)
  (ii) Type of joint
  (d) State the function of the structure labelled 6 in bone P.

  Date posted: September 13, 2019 .    Answers (1)

• Name the hard body covering found in organisms of the phylum arthropoda. (Solved)
  

  Name the hard body covering found in organisms of the phylum arthropoda.

  Date posted: September 13, 2019 .    Answers (1)

• Write the kingdoms to which the following organisms belong. Plasmodium Bat Yeast (Solved)
  

  Write the kingdoms to which the following organisms belong.
  Plasmodium
  Bat
  Yeast

  Date posted: September 13, 2019 .    Answers (1)

• A student collected a plant with the following features: -Vascular bundles in the stem were scattered with no cambium. -Fibrous root system. Name the sub-division and the class... (Solved)
  

  A student collected a plant with the following features:
  -Vascular bundles in the stem were scattered with no cambium.
  -Fibrous root system.
  Name the sub-division and the class to which the above plant belonged.
  Sub-division
  Class

  Date posted: September 13, 2019 .    Answers (1)

• Name one waste product that is transported in the blood but not removed by the kidneys. (Solved)
  

  Name one waste product that is transported in the blood but not removed by the kidneys.

  Date posted: September 13, 2019 .    Answers (1)

• Arrange the following nitrogenous waste products in order of decreasing toxicity: urea, uric acid and ammonia. (Solved)
  

  Arrange the following nitrogenous waste products in order of decreasing toxicity:
  urea, uric acid and ammonia.

  Date posted: September 13, 2019 .    Answers (1)

• Name two substances that are excreted through diffusion process in plants. (Solved)
  

  Name two substances that are excreted through diffusion process in plants.

  Date posted: September 13, 2019 .    Answers (1)

• Explain why the garden pea plant was preferred by Gregor Mendel in his crossing experiments. (Solved)
  

  Explain why the garden pea plant was preferred by Gregor Mendel in his crossing experiments.

  Date posted: September 13, 2019 .    Answers (1)

• Potato cylinders were weighed and kept in distilled water overnight. They were then reweighed. (Solved)
  

  Potato cylinders were weighed and kept in distilled water overnight. They were then reweighed.
  
  (a) Calculate the average mass of the potato cylinders at the end of the experiments.(Show your working).
  (b) Explain why the mass of the cylinders had increased.

  Date posted: September 13, 2019 .    Answers (1)

• What is the importance of fixation in preparation of temporary slide? (Solved)
  

  What is the importance of fixation in preparation of temporary slide?

  Date posted: September 13, 2019 .    Answers (1)

• Give one structural difference and similarity between a mitochondrion and a chloroplast. (Solved)
  

  Give one structural difference and similarity between a mitochondrion and a chloroplast.

  Date posted: September 13, 2019 .    Answers (1)

• Explain why athletes practicing at high altitude zones have a higher number red blood cells than those at sea level. (Solved)
  

  Explain why athletes practicing at high altitude zones have a higher number red blood cells than those at sea level.

  Date posted: September 13, 2019 .    Answers (1)

• Below is across section of a fruit. (Solved)
  

  Below is across section of a fruit.
  
  (a) Name the type of placentation shown.
  (b) Identify the parts labelled A.

  Date posted: September 13, 2019 .    Answers (1)

• Explain why emulsification is not a chemical digestion. (Solved)
  

  Explain why emulsification is not a chemical digestion.

  Date posted: September 13, 2019 .    Answers (1)

• The diagram below shows a transverse section of a spinal cord. (Solved)
  

  The diagram below shows a transverse section of a spinal cord.
  
  Name the parts labelled A – D.

  Date posted: September 13, 2019 .    Answers (1)

• Name the structure for gaseous exchange in (a) Tadpole (b) Grasshopper (Solved)
  

  Name the structure for gaseous exchange in
  (a) Tadpole
  (b) Grasshopper

  Date posted: September 13, 2019 .    Answers (1)

• The table below shows organisms in a given habitat. (Solved)
  

  The table below shows organisms in a given habitat.
  
  a) Calculate the total number of producers.
  (b) Name the organisms that could be both primary and secondary consumers.
  (c) Name the process through which energy from the sun is incorporated in the ecosystem.
  (d) State why decomposers are not included in the food chain.

  Date posted: September 13, 2019 .    Answers (1)

• Study the diagram below and answer the questions that follow: (a) Identify the above apparatus. (b) State the function of the above apparatus. (c) Name an apparatus... (Solved)
  

  Study the diagram below and answer the questions that follow:
  
  (a) Identify the above apparatus.
  (b) State the function of the above apparatus.
  (c) Name an apparatus that can be used for catching insects on barks of trees or rock surfaces.
  (d) Name the branch of Biology that deals with the study of birds.

  Date posted: September 13, 2019 .    Answers (1)

• Below are photographs labeled B and C of organs obtained from different animals. The organs perform similar functions.Examine them and answer the questions that follow. (Solved)
  

  Below are photographs labeled B and C of organs obtained from different animals. The organs perform similar functions.Examine them and answer the questions that follow.
  
  a) Name the organs B and C.
  b) State the common functions performed by the organs stated above.
  c) Name the parts labeled B₁, B₂ and B₃ in the photograph B.
  d) i) Identify the parts labeled K₁,K₂,and K₃ in photography C
  ii) Using observable features; state how the parts labeled K₁ and K₃ you identified in d (i) above are adapted to their function.

  Date posted: September 13, 2019 .    Answers (1)

• You are provided with a photograph of F and M. Use them to answer the questions that follow (Solved)
  

  You are provided with a photograph of F and M. Use them to answer the questions that follow
  
  a) What type of flower is
  i) F
  ii) M
  b) Name the agents of pollination for each.
  c) State how each of them is adapted for the mode of pollination you have stated in (b) above.
  d) Name parts labeled P,U,X and Y

  Date posted: September 13, 2019 .    Answers (1)