What is the main idea of the passage

because the Gulf of Mexico is warming unusually quickly, Atlantic cod are disappearing.

Explanation:

The passage starts with talking about how the warming of the ocean has caused the stock of cod to disappear almost completely, and that a result of these warmer ocean waters, female cod produce fewer offspring, and they produce less mature fish, due to the increase in temperature.

the unsaturated fatty acid is a fat consist of one or more double bond in the fatty acid chain. if it contains one double bond then called as monounsaturated fatty acid however if, it contains more than one bonds called as a polyunsaturated fatty acid. true fatty acids are called unsaturated fatty acids as it reduces the risk of high blood cholesterol and good for health.