All lophotrochozoa have:
A. radial symmetry and complex organs.
B. bilateral symmetry and complex organs.
C. radial symmetry and primitive organs.
B
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One of the characteristics of chordates is the presence of pharyngeal slits. What was the function of this structure early in chordate history?
A. respiratory surface (gills) B. jaw support C. feeding D. part of the jaw
In the process of aerobic metabolism, carbon containing molecules are broken down and the energy from the electrons
is used to ____.
a. directly supply the energy needs of an organism b. alter enzyme structure c. generate a proton gradient d. heat the organism in a cold environment e. supply heat to stored fat
A wolf that feeds on moose and elk would be classified within which trophic level?
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?
What is the primary stain used in acid fast staining?
What will be an ideal response?