Which animal is incorrectly matched with the anatomical feature associated with feeding?
A) Sponge : choanocytes
B) Hydra : tentacles
C) Snail : radula
D) Spider : proboscis
Answer: D
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Diacritics are
a) phonetic symbols for specific phonemes b) marks added to sound transcription symbols to give them a particular phonetic value c) a portion of a perceptual system d) never used when transcribing deviant articulatory patterns
How many nephrons are in each kidney?
a. about 10 million b. about 1 million c. about 100,000 d. about 25,000 e. about 250
Which of the following is NOT one of the three coats that comprise the walls of arteries and veins?
A. Tunica media B. Tunica superficia C. Tunica externa D. Tunica interna
The juxtaglomerular apparatus
a. is a combination of specialized tubular and vascular cells b. secretes renin c. produces substances involved in the control of kidney function d. has only two of the above characteristics e. has characteristics a, b, and c