A child's pituitary gland does not release enough hormones. What is the most
likely cause of this?

A. The child has no ovaries.
B. The child has no adrenal hormones.
C. The child's blood glucose level is too high.
D. The child's hypothalamus is not working correctly.

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

Australopithecus robustus was likely the longest-surviving species of australopithecine in south africa. it had: a. large molars, a big face, and a sagittal crest. b. a large body, large teeth, and a sagittal crest. c. a big brain, big teeth, and a big face. d. a big face, large teeth, and a large body

What is the next step in muscle contraction after the actin changes shape