Question

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Review the scenario.
Cutthro@t trout are a fish species native to cold-water rivers along the Pacific coast and the R0cky Mountains. While studying a population of cutthro@t trout in one river, a scientist noticed that many male cutthro@t trout had ab-normal gonads, which are part of the male reproductive anatomy. The scientist wondered why the male fish had ab-normal gonads.

By reading other environmental studies carried out in the river, the scientist learned that the effluent, or released water, from a wastewater treatment plant upstream contained low concentrations of estrogen compounds. Estrogen is a hormone that can affect the development of reproductive traits in certain organisms. By reading other anatomical studies, the scientist learned that changes in hormones could affect the development of gonads in fish.

Which part of the scientific method is best illustrated by the scientist wondering why the male fish had ab-normal gonads?

❀ forming a hypothesis

❀ setting up an experiment

❀ making an observation and asking a question

❀ communicating the results of a study

Answer 1

Please ask question one by one

Answer 2

making an observation and asking a question
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