A hormone secreted by the pancreas that keeps glucose levels balanced is ________

At the current time, which statement is true

about our knowledge of whether animals can use humanlike language? a) It has been clearly shown that animals cannot use humanlike language. b) All animal communication is instinctual and, thus, is not language. c) Only primates, like monkeys and chimps, show any sign of language-like behavior. d) It is still unclear whether animals can show humanlike language at any level of development.

The sequence of pubertal changes for males and females is variable.

Indicate whether the statement is true or false.