Which of the following organs of the endocrine system secretes releasing and inhibiting hormones?
a. pituitary gland
b. pancreas
c. hypothalamus
d. adrenal glands
e. thyroid gland
C
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Match the following items with the correct phrases.
_______1. The number of nanometers in a micrometer. _______2. The resolving power of the compound light microscope is __________ times better than the resolving power of the unaided eye. _______3. The number of micrometers in a millimeter. _______4. The resolving power of the transmission electron microscope is __________ times better than the resolving power of the scanning electron microscope. _______5. The resolving power of the transmission electron microscope is __________ times better than the resolving power of the unaided eye. a. 10 b. 100 c. 1,000 d. 1,000,000 e. 1,000,000,000
The ultimate source(s) of energy, on which all living organisms depend, is(are) __________
a. the sun b. autotrophs c. primary producers d. the first trophic level
An insect whose larval and adult forms occupy different habitats and consume different food probably undergoes ____
metamorphosis.
a. no b. incomplete c. complete d. pupal e. instar
Which of the following processes is under
voluntary control? a. filtration b. reabsorption c. urination d. secretion e. excretion