Explain how the embryological development of different species reveals similarities of organisms that are not evident in the fully formed anatomy (using this image)

The right answer is c.sandstone.

They use the si unit, or metric system its all the same thing

In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent.  about 85% of fish caught is used for human consumption.  the remainder is converted into fishmeal and fish oil.