Dissect the provided specimen Y in the usual way to display the viscera in-situ system and respond to the following questions: (a) Draw a large, neat, well labelled diagram, indicating ten organs observed in your dissection. (b) Classify specimen Y to the Class level. (c) Which organ observed in specimen Y is responsible for blood sugar regulation in the human body? (d) Identify the organ (s) responsible for protein digestion in specimen Y. (e) What three observable features were used to classify specimen Y to its particular class?

1. Draw a large, neat, well labelled diagram, indicating ten organs observed in your dissection. (5 mk)
2. Classify specimen Y to the Class level. (2 mk)
3. Which organ observed in specimen Y is responsible for blood sugar regulation in the human body? (2 mk)
4. Identify the organ (s) responsible for protein digestion in specimen Y. (3 mk)
5. What three observable features were used to classify specimen Y to its particular class? (8 mk)

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Use provided solutions R1 and R2, carry out biochemical test, and then answer the following questions: (a) Using the reagents provided, carry out experiments to identify food substance(s) contained in solutions R1 and R2. Tabulate your report, as shown in the following table: Food Test Procedure Observation Inference (b) Name the end product of each food substance(s) identified from solutions R1 and R2 after digestion.

1. Using the reagents provided, carry out experiments to identify food substance(s) contained in solutions R1 and R2. Tabulate your report, as shown in the following table: Food Test Procedure Observation Inference (10 mk)
2. Name the end product of each food substance(s) identified from solutions R1 and R2 after digestion. (5 mk)

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Youre provided with specimens G1 , G2 and G3. Observe the specimens carefully and then answer the following questions: (a) Identify each of the specimens G1, G2 and G3 by its common name. (b) Classify each of the specimens G1, G2 and G3 to the class level. (c) Draw a well labelled diagram of specimen G1. (d) Explain three advantages of specimen G3 to the ecosystem. (e) State three observable features which were used to classify specimen G2 to its respective class.

1. Identify each of the specimens G1, G2 and G3 by its common name. (3 mk)
2. Classify each of the specimens G1, G2 and G3 to the class level. (3 mk)
3. Draw a well labelled diagram of specimen G1. (3 mk)
4. Explain three advantages of specimen G3 to the ecosystem. (3 mk)
5. State three observable features which were used to classify specimen G2 to its respective class. (3 mk)

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