This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.
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1. (a) (i) One type of feed given to each animal: • A (Cow): Grass • B (Rabbit): Hay • C (Chicken): Grains (ii) One nutrient from the types of feed mentioned in (i): • From grass (for cow): Carbohydrates • From hay (for rabbit): Fiber • From grains (for chicken): Protein (iii) One function each of the nutrient named in (ii): • Carbohydrates: Provide energy for metabolic activities. • Fiber: Aids in digestion and maintains gut health. • Protein: Essential for growth and repair of tissues. (iv) The animal in Fig. 1(a) that can be classified as a ruminant is A (Cow). 1. (b) (i) The parts labelled I, II, III, IV and V are: • I: Larynx • II: Trachea • III: Bronchus • IV: Bronchiole • V: Alveoli (ii) One function each of the parts labelled II, III and V: • II (Trachea): Carries air from the larynx to the bronchi. • III (Bronchus): Channels air from the trachea into the lungs. • V (Alveoli): Site of gas exchange between air and blood. (iii) The most important gas during the process of respiration that is: • (α) used by the body: Oxygen • (β) brought out from the body: Carbon dioxide Send me the next one 📸