The oldest part of the vertebrate skull is the splanchnocranium
a. true
b. false
Answer: a. true
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Where in the mammalian kidney would you expect to find cells with the highest concentration of osmolytes such as
sorbitol?
a. renal pelvis b. renal cortex c. Bowman's capsule d. collecting ducts e. renal medulla
Sexually dimorphic features do not include
A. antlers. B. colored plumage. C. additional tail feathers. D. intelligence. E. body size.
Which of the following is not correct about birds?
A. Their feathers are derived from reptilian scales. B. They have a low body temperature. C. They have large breast muscles. D. They have a fused collarbone. E. They have thin, hollow bones.
An atom that normally has __________ in its outer shell would NOT tend to form chemical bonds with other atoms.
Fill in the blank(s) with the appropriate word(s).