Gain energy from breaking down organic material and absorbing it. a. chemotrophic autotrophic bacteria b. phototrophic autotrophic bacteria c. chemotrophic heterotrophic bacteria d. phototrophic heterotrophic bacteria

what is the statement?

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.