Researchers Ran Three Clinical Trials,each Using a Different One of the Following

question 55

Essay

Researchers ran three clinical trials,each using a different one of the following populations:
-250 non-smoking men ages 18 to 25
-500 smoking and non-smoking men and women ages 20 to 55
-300 smoking women ages 45 to 60
Would you expect the results of these three experiments to be the same? Explain.

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Definitions:

Sponges

Simple aquatic animals that draw water containing food particles into their porous bodies by means of flagellated cells.

Hydras

A type of small, freshwater organisms from the phylum Cnidaria, known for their regenerative abilities.

Flatworms

Invertebrates such as planarians and tapeworms with extremely thin bodies, a three-branched gastrovascular cavity, and a ladder type nervous system.

Earthworms

Segmented invertebrates that play a crucial role in aerating soil and breaking down organic matter.