What is the primary function of brain decussation in vertebrates?
Your Head Might Be On Sideways

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Science, Information Technology (IT), Architecture, Biology
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To control the opposite side of the body
To improve memory retention
To increase brain size
To enhance cognitive abilities
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following was a historical explanation for brain decussation?
To enhance auditory processing
To align the visual field correctly
To increase brain efficiency
To improve balance
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one modern theory about why decussation might have persisted?
It helps pack nerves more efficiently
It improves emotional responses
It allows for better coordination
It enhances language skills
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the backward head theory, what might have happened to an early vertebrate ancestor?
Its brain expanded
Its body grew larger
Its head was on backward
Its head twisted 90 degrees
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What evidence supports the sideways head theory of decussation?
Observations of human embryos
Studies of zebrafish embryos
Analysis of fossil records
Comparisons with invertebrates
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