All organisms need energy to carry out life processes.

a. true
b. false


Ans: a. true

Biology & Microbiology

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If you were highly allergic to bee stings, which of the following would be dangerous for you to do?

A. wear sweet-smelling perfumes B. wear red shirts C. wear dark, drab clothing D. hum as you work E. None of the choices provided are dangerous.

Biology & Microbiology

When preparing a smear from a viscous and granular sample the microbiologist should:

a. add saline to the sample to thin out the specimen for smear preparation. b. place some of the material in an enrich-ment broth and then use the broth for smear preparation. c. use a sterile swab and roll it around in the material because it will be easier to roll the sample than to use a loop on the slide. d. if the material is not able to be distributed using a sterile loop or swab, use a squash or crush prep to spread out sample.

Biology & Microbiology

Scientists now believe that comets falling to early Earth played a role in the evolution of life. What role did these comets play?

A) They brought CO2 and H2O. B) They brought ammonia ions (NH4). C) They generated a lot of energy when they hit Earth. D) All of the above are true.

Biology & Microbiology

Diagram the hydrological cycle. Include the terms evaporation, transpiration, percolation, groundwater, runoff,

condensation, and precipitation. What will be an ideal response?

Biology & Microbiology