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During fertilization, an egg and a sperm fuse to create a single cell called a (n) ______.    

A wire that has a diameter of 162 mils has an area of _____ circular mils.

How much time can newborn Tyler’s parents expect him to sleep?    

If baby Jenny can sit without support, we can assume that she is at least _______ month/s old.    

Which of the following tests involves sampling a small piece of the placenta?  

6 month old Sammy is using his whole hand to pick up Cheerios. We would say he is utilizing a ________ grasp.            

The idea that objects continue to exist even when they are out of sight is known as __________________.    

____________ occurs when children adjust their schemas to fit new information and experiences.    

The longer the conductor, the more _____ it will have.

____________occurs when children incorporate new information into their existing knowledge.