Answer: The findings show that the seals have significantly altered in accordance with changes in food availability that are associated with climate conditions. Despite a shift in the population towards 'fitter' individuals, this fitness is not passing down through generations, leaving the population in decline.
Explanation:
The correct answer is B "The price of chocolate has gone up and sales are down". Price sensitivity is the effect the price of a product causes in its demand towards consumers. It is also called price elasticity of demand. A simple example is when the price of a good goes up, its sales go down. It means the consumers are not willing to pay more for that product. This is the case of option B. The price of chocolate increased and made the sales decrease.
The answer is cell membrane.