Preferences are an example of an internal influence on thoughts or feelings. Correct answer: A
Internal influence on thoughts or feelings are linked to the personality, and not the external environment. Personality is defined as the thoughts, emotions, intentions and behavior that people express as they move through their environment. It influences how we select, organize, and interpret information.
I believe the answer is either B. or C.
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It is physical considering how long the body takes to develop control over the body
They resulted from two eggs, each fertilized by a separate sperm
Infants show many reflexes as soon as they come out of their mother. Two of them are the sucking reflex and the root reflex. The root reflex is when the baby's side of the mouth is touch and they will then move their head towards where the were touched, allowing them to latch onto the breast or the bottle for food. The sucking reflex pretty much explains itself. When the roof of the baby's mouth is touched, they will begin to suck as they will think/know that it is feeding time.
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Other reflexes can be found on: http://www.stanfordchildrens.org/en/topic/default?id=newborn-reflexes-90-P02630