Numbering about 120 million in each eye, which receptor cells allow us to see in dim light and are responsible for our seeing black and white images?

Javier was born 3 days ago. His parents have noticed that he has several reflexes, which the doctors have been testing. Which of the following is NOT a reflex exhibited by healthy newborns?

a) Moro startle reflex b) rooting reflex c) walking reflex d) grasping reflex

To demonstrate unambiguously that observational learning has occurred, the behavior learned should be one that the observer does not already know

Indicate whether the statement is true or false