Can some animals reproduce by asexual reproduction? Is this rare? What is parthenogenesis?
Give two examples of parthenogenesis.
What is it called when some species alternate between sexual and asexual strategies to reproduce?
Give two examples of heterogamy.
Why would heterogamy be advantages (beneficial) to the organisms that can do it?

dogs is better and probably lizards.

the answer is "a.) well–developed vascular system."

explanation:

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.