A new species of mammal is discovered deep in the Antarctic. This mammal contains an organ that does not seem to
be homologous to any other known organ. Upon examination, it appears that this organ is responsible for secreting
hormones necessary for regulating subcutaneous fat levels to regulate body temperature. To which system does this new
organ most likely belong?
a. digestive system
b. integumentary system
c. immune system
d. endocrine system
e. nervous system
ANSWER: d
You might also like to view...
Which equation best describes the relationship between ion gradient and equilibrium potential for that ion?
A) steady-state B) Goldman C) Nernst D) Hodgkin E) Katz
Which of the following are white blood cells that are capable of engulfing other cells and particles?
a. pathogens b. eosinophils c. phagocytes d. erythrocytes
The first bacterium that was clearly identified as the cause of an infectious disease was:a
Legionella pneumophila, which causes Legionnaires' disease. b. Chlamydia sp., which causes pelvic inflammatory disease in women. c. Clostridium botulinum, which causes botulism. d. Vibrio cholerae, which causes cholera. e. Bacillus anthracis, which causes anthrax.
Which of the following could be examples of communication by chemicals?
A. A dog urinating on trees, light posts, fire hydrants, and other objects. B. A rattlesnake injecting poison as it bites its prey. C. A male prairie chicken stamping its feet in a mating dance. D. None of these answers is true.