The Controlled Use of Fire by Hominids

question 31

Multiple Choice

The controlled use of fire by hominids

• A) decreased the amount of food energy available in the hominid diet.
• B) has been shown to contribute little to the digestive process of hominids.
• C) limited the expansion of hominids into certain environments, such as dry grasslands.
• D) contributed to geographical expansion and food production techniques in positive ways.

---

Definitions:

Squeeze Bottle

A container made from flexible material that dispenses its content when squeezed, often used for liquids like condiments or toiletries.

Action Potential

A rapid increase and subsequent decrease in voltage across a cellular membrane, leading to the transmission of an electrical impulse along neurons.

Binding Specificity

The tendency of molecules such as enzymes or antibodies to selectively bind with specific substrates or antigens.

Synapse

A junction between two nerve cells, where impulses pass by diffusion of a neurotransmitter.