-The Table Above Is a Comparison of Several Characteristics of H.floresiensis

question 10

Multiple Choice

-The table above is a comparison of several characteristics of H.floresiensis to those of nine other hominin species (arranged roughly from oldest to most recent) .What do these data suggest?

• A)A large brain is not necessarily required for toolmaking.
• B)Body mass and braincase volume are completely unrelated.
• C)The African environment tends to depress braincase volume and body mass.
• D)Hominins first evolved in and then radiated out from Asia.
• H)floresiensis is most closely related to Australopithecus afarensis or A.africanus.

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Definitions:

Secondary Circular Reactions

A stage in Piaget's theory of cognitive development where infants repeat actions that are pleasurable or bring about a desirable outcome.

Primary Circular Reactions

Early repetitive behaviors in infants that focus on the body and are instrumental in the development of cognitive processes.

Tertiary Circular Reactions

The stage in Piaget's sensorimotor phase (usually around 12-18 months of age) where infants start experimenting with new behaviors through trial and error.

Coordination

The ability to use different parts of the body smoothly and efficiently together, often important for physical activities and sports.