Jean Baptiste Lamarck thought that if animals, like a giraffe, stretched or strained their body parts (necks) then their offspring .

A
would still have short necks

B
would be less able to survive

C
would be identical to the parents

D
would acquire longer necks

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.