The interstitial cells of the testes produce

A) LH.
B) testosterone.
C) FSH.
D) alkaline mucus.
E) sperm.


B

Biology & Microbiology

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Andrew P. Hendry and colleagues discovered that Galápagos ground-finches with small bills and ground-finches with

large bills were more common and had higher fitness than birds with bills of intermediate size, a demonstration of ____ selection

a. disruptive b. directional c. stabilizing d. sexual e. artificial

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what does the T helper 1 cell do? (TH1)

What will be an ideal response?

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