Please answer these questions in 2~3 sentences1. What is the evidence from human infant cataract studies that early stimulation isnecessary for ventral stream visual development?2. What is the evidence from human infant cataract studies that early stimulation isnecessary for dorsal stream visual development?3. What brain system is present in mammals but not other vertebrate species? What typeof behavior does this system permit? 4. What is the innate behavior observed in avian imprinting? What trigger feature mustbe present in a stimulus to elicit this behavior? What is the evidence that itoccurs during a critical period?5. According to attachment theory, what are the two innate social behaviors that human infants display? At what ages are they first displayed? What responses do they typically elicit from caretakers?6. 6. What is the experimental evidence that food is not responsible for infant-caretakerattachment in primates?7. What is the defining feature of ethological data? Compared to data gathered in thelaboratory, what is one advantage and one disadvantage of such data?