Answer:
The shark wont die unless it is hurt very badly by the puffer fish. The puffer fish is able to kill all of the animals listed but the puffer fish wouldn't die if he uses his abilities. I would say the sting ray.
Explanation:
Water and ATP energy
where carbon dioxide is a waste product and is released into the atmosphere.

Last option: Preserve an ecosystem

• The establishment of a bird reservation is a way to preserve an ecosystem because reservation provides suitable environment to organism. A healthy ecosystem means large number of biodiversity.
A, scientists had to convert information from amino acids to nucleic acids.