The natural distribution area of Common hackberry is located in eastern North America. The tree is susceptible to fire damage. The fruits are eaten by birds and other animals.
Memory development. The development of memory in children becomes evident within the first 3 years of a child's life as they show considerable advances in declarative memory. This enhancement continues into adolescence with major developments in short term memory, working memory, long term memory and autobiographical memory.
4-6 years. Children at this age begin to understand and use âgender scripts.â This is another way to put things in categories. Instead of grouping things, they put events or activities in groups related to gender. For example, a five-year-old child may think that a person putting on make-up has to be a female.