Question

Which of these changes in the foodweb would cause a decrease in the population of tundra swans?

A. A decrease in the population of vegetation
B. An increase in the population of benthic invertebrates
C. An increase in the population of wading birds
D. A decrease in the population of osprey​

Answer 1

I believe it would be a

Step-by-step explanation:

It eats the vegetation so less food means they have less chance of survival