Using the figure below,identify which way the glacier advanced. 
Definitions:
Reflexes
Involuntary movements or actions automatically produced by the body in response to specific stimuli, serving as protective mechanisms.
Survival Value
The extent to which a trait or behavior enhances the chances of survival and reproduction of an organism.
Stand Alone
A term used to describe something that operates independently or is self-sufficient, without the need for external support.
Myelin
A fatty substance that forms a sheath around the axons of neurons, facilitating faster transmission of nerve impulses.
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