The comparative anatomist Georges Cuvier confirmed the concept of extinction in 1812 when he demonstrated that there were no extant species anatomically related to the fossilized remains of the ________

A) mastodon
B) Irish elk
C) pygmy armadillo
D) giant vampire bat
E) Arctic lemming


B

Biology & Microbiology

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What will be an ideal response?

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What are species of Rhizobium and Bradyrhizobium bacteria most directly associated with?

a. nitrification b. ammonification c. nitrogen cycling d. nitrogen fixation

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Which of the following is mainly produced during cyclic electron flow?

A. water B. NADPH C. sugar D. ATP E. O2

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Two major structures that allow bacteria to adhere to surfaces are ___ and ___.

A. pili, ribosomes B. fimbrae, capsules C. lipopolysaccharides, techoic acids D. actin filaments, phospholipid membrane(s) E. actin filaments, ribosomes

Biology & Microbiology