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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Facilitated diffusion requires
What will be an ideal response?
Biology & Microbiology
What are species of Rhizobium and Bradyrhizobium bacteria most directly associated with?
a. nitrification b. ammonification c. nitrogen cycling d. nitrogen fixation
Biology & Microbiology
Which of the following is mainly produced during cyclic electron flow?
A. water B. NADPH C. sugar D. ATP E. O2
Biology & Microbiology
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