Fossil Evidence of Cutmarks Made with Stone Tools at Early

question 39

Multiple Choice

Fossil evidence of cutmarks made with stone tools at early hominid sites suggests that

• A) meat eating started only with the appearance of Homo erectus and stone tools.
• B) big-game hunting was the most common way early hominids obtained meat.
• C) meat eating started before Homo erectus but increased with more advanced technology.
• D) None of these choices is correct.

Understand the progression of sensorimotor substages and their characteristics.

Differentiate between primary, secondary, and tertiary circular reactions and their importance in cognitive development.

Comprehend the concepts of assimilation, accommodation, and their roles in cognitive growth.

Recognize the importance of object permanence and its developmental timeline.

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Definitions:

Balanced Equation

A chemical equation in which the number of atoms for each element is the same on both the reactant and product sides, indicating matter conservation.

NaCl

Sodium chloride, commonly known as table salt, an essential compound for both dietary and industrial uses.

Reaction Type

A category defining the nature of chemical reactions based on the rearrangement of atoms and changes in their bonding.

Reaction Type

Refers to the classification of chemical reactions based on their outcome or the change they involve, such as synthesis, decomposition, single replacement, or double replacement reactions.