Dr Ross wants to find the cause of malayria. He suggested that the Anopheles mosquito might spread it from person to person. This suggestion is a

observation : hypothesis ::

Scientific hypotheses are most often tested by the process of

A planned procedure to test a hypothesis is called a

A unifying explanation for a broad range of observations is called a

An individual thing is called a

Maintaining a stable internal environment

All the chemical reactions of the life processes of an organism is called

The process of releasing chemical energy stored in nutrients

The process by which an organism controls and coordinates its activities

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