The diagram below shows examples of interdependence among aquatic 12 points organisms. In the diagram, organisms either use gases (letter a) or give
off gases (letter b). What should letters a and b be labeled in the
diagram? Choose one organism and explain how gases a and b are used
in that organism.
For full credit, correctly identify both substance a and substance b (6 pts) and describe how
gases a and b are used using one of the organisms in the diagram as an example. (6 pts)
Floating
water plant
Small water
animals
Water plant
with roots

the correct answer is sex-linked recessive.

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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.

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d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.