What does the energy pyramid demonstrate? a. a great amount of energy is gained moving up the energy pyramid. b. a great amount of energy is lost traveling up the energy pyramid. c. the same amount of energy is available at every level of the energy pyramid. d. energy is not transferred between organisms in an ecosystem.

Which of the following statements about brain development and early childhood is true? the brain of a 5 year old is 60 percent the size of an adult brain the overall size of the brain does not increase dramatically from ages 3-15 by the time a child is 3 years of age, the brain is 25 percent of it's adult size the development that occurs inside the brain ends at the onset of adolescence