It’s the ninth inning, and the bases are loaded. As the pitcher winds up to throw the ball, how does each tissue in his arm contribute to this critical pitch? The ___________ of his fingers grips the ball. His __________ sends instructions that trigger his ___________ to contract. His ______________ provides stability and transmits the force produced. 

A. ectoderm; ectoderm; mesoderm; endoderm
B. connective tissue; nerve tissue; muscle tissue; epithelial tissue
C. epithelium; ectoderm; mesoderm; endoderm
D. epithelial tissue; nerve tissue; muscle tissue; connective tissue


D. epithelial tissue; nerve tissue; muscle tissue; connective tissue

Biology & Microbiology

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Which of the following statements is correct regarding cyclic photosynthetic pathways?

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Amino acids are joined together in a chain by ____________________ bonds. Fill in the blank(s) with the appropriate word(s)

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The immediate ancestors of the genus Homo belonged to the genus:a

Australopithecus. b. Pongo. c. Pan. d. Sahelanthropus. e. Ardipithecus

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