What compound directly provides energy for cellular work?

Which of the following is not true of water?

A. It is polar. B. It has a high heat of vaporization. C. It has cohesive properties. D. Its evaporation helps regulate body temperature. E. It is a relatively poor solvent.

The accepted method of testing water supplies for the possible presence of pathogens is to determine the presence of

A. Streptococci. B. coliforms. C. Staphylococci. D. Streptomyces.

In the food chain below, what does the blue jay represent? crabgrass—cricket—garden spider—blue jay—red-tailed hawk  

A.  herbivore B.  primary producer C.  primary carnivore D.  secondary carnivore E.  detritivore Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about trophic levels?   Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

________ are seedless vascular plants

A) Ferns B) Angiosperms C) Bryophytes D) Gymnosperms