What is the carrying capacity of an ecosystem? A. the total number of organisms alive at the same time in an ecosystem
B. the minimum number of individuals needed to have balance in an ecosystem
C. the total number of individuals, living and dead, that have been supported by an ecosystem
D. the maximum number of individuals that an ecosystem can support without harming the

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