What Did the Ability to Control Fire Allow Early Hominids

question 173

Multiple Choice

What did the ability to control fire allow early hominids to do? Select the THREE answers that are correct.

• A) isolate metals from ore
• B) cook food
• C) defend against predators
• D) walk with an upright gait
• E) provide warmth

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Definitions:

Control Group

In an experiment, the group that does not receive the treatment and is used as a benchmark to measure how the other tested groups do.

Experimental Group

In research, a group of subjects who are exposed to the variable under investigation, contrary to the control group, to assess the effect of that variable.

Treatment Group

A group of participants in an experiment that receives the intervention or treatment under investigation.

Informed Consent

A process in which individuals are fully informed about the procedures and risks of a treatment, study, or activity before agreeing to participate.