Which structure provides a link between the nervous and endocrine systems? A. pituitary gland
B. hypothalamus
C. adrenal gland
D. thyroid gland

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.