The Wear Patterns on Animal Bones Associated with A

question 22

Multiple Choice

The wear patterns on animal bones associated with A. robustus suggest they were used __________.

• A) as clubs for defense
• B) as digging sticks for termites
• C) as hammers for cracking nuts
• D) as pestles for grinding grass seeds

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Definitions:

Capillaries

Small blood vessels that connect arterioles and venules, facilitating the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste chemical substances between blood and surrounding tissues.

Homeostatic Behaviors

Actions taken by organisms to maintain internal equilibrium, such as regulating temperature or hydration levels.

Feedback Mechanisms

Biological processes that regulate bodily functions and maintain homeostasis through a system of inputs and outputs responding to changes in the environment or internal conditions.

Instinct Approaches

Theories or perspectives that suggest behaviors are innate and driven by evolutionary programmed instincts.