Scientists have observed many types of tropical fish moving beyond their traditional ocean ranges into waters that have historically been more temperate. these fish compete for food with native fish, consuming much from the kelp forests and beds of sea grass. the expansion of the ranges of tropial fish was most likely to be caused by?

Because the water is warmer and they are tropical they like warmer waters that cooler waters.

the rising temperatures of ocean waters

Explanation:

Due to climate change and the increase in the temperature of ocean waters, tropical fish are traveling to more temperate regions which are characterized by mild temperatures. As a result, the ecosystem becomes more unstable because there is less food for native and tropical fish, and underwater vegetation and seabeds are in danger of disappearing.

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