What is the raw material for evolution?

What will be an ideal response?


mutation

Biology & Microbiology

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The two organisms that make up lichens are ________

a. zygomycetes and cyanobacteria b. fungi and plants c. sac fungus and green algae d. chytrids and green algae e. green algae and cyanobacteria

Biology & Microbiology

There will be approximately ____ mice in four months in a population of 1,000 mice where 500 mice are born and

400 mice die monthly. a. 1,060 b. 1,160 c. 1,260 d. 1,360 e. 1,460

Biology & Microbiology

Topic 2.9 - Nitrogen Cycling

What will be an ideal response?

Biology & Microbiology

A 27-year-old man has to urinate often and it is painful. A gram-negative, lactose-fermenting bacillus was isolated from the urine in high concentration. Which of the following virulence factors is most important for promoting this disease?

A. Capsule B. Cholera-like toxin C. Fimbriae D. Lipopolysaccharide E. Shiga-like toxin

Biology & Microbiology