Which of the following explains how this affects the cilia? a. the thick mucous just suffocates the cells and kills them off one by one b. the thick mucous traps other cells, so they stick together making infections more likely c. the thick mucous pulls the infection into the cells causing damage. d. the mucous is so thick that the cilia can’t move and if it can’t move it can’t clear out bacteria and infections are more likely to occur

I believe that the answer is B or D most likely D

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the two answers are a, the population of birds with large beaks will increase on the island, and c, the trait for large beaks will be passed on to future generations through natural selection. the reason for that is because if the birds that have beaks developed for eating small seeds lose all of their food, they will go hungry and eventually starve because they physically cannot eat the large seeds, therefore making the population of large beaked birds higher. also, if the trait of large beaks are dominant on the island over small beaks, then over time the large beaked birds will reproduce more and more, while the smaller beaked birds will reproduce less and less because they can't survive with the food provided. that leads to the trait of small beaks disappearing and the trait of large beaks taking over the island.