Which organism represents the trophic level containing approximately 10% of the initial amount of chemical energy produced by the plants in this food chain? The answer choices:
A: Grass
B: insects
C: Fish
D: Bird

the correct answer is sex-linked recessive.

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air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.