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This quiz consists of 5 multiple choice and 5 short answer questions through Lucy to Lulu to Rose.

Multiple Choice Questions

1. By what age do most young children begin to make sentences?
(a) 6 months.
(b) 2.
(c) 3.
(d) 1.

2. How many fingers does George saw off his right hand by accident?
(a) 1.
(b) 2.
(c) 3.
(d) 4.

3. How many years ago did changes in global climate initiate an ecosystem of fruits and flowers?
(a) 1.5 million.
(b) 50 thousand.
(c) 65 million.
(d) 10 million.

4. What does the neocortex size reliably predict?
(a) Aggressiveness.
(b) Evolution rate.
(c) Intelligence.
(d) Group size.

5. What is the purpose of the shoulder, arm and hand in being fully integrated?
(a) To act as a fulcrum.
(b) To work in tandem.
(c) To provide more leverage together.
(d) To function simultaneously as one.

Short Answer Questions

1. What does Jack Schaefer do?

2. For what does the thumb have to be long enough?

3. What is one puzzling concern the author mentions in this chapter?

4. What does Charles Bell say practice enables?

5. How many key strokes per second can a pianist reach?

(see the answer key)

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