Do scorpions have a maximum rate for respiration?
a. Yes
b. No
a
Biology & Microbiology
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A drawback of the morphospecies concept is that it cannot be applied to:
A. polymorphic species. B. species that are very similar in appearance. C. extinct organisms (e.g., fossils). D. polymorphic and similar-looking organisms. E. all of the answer options are correct.
Biology & Microbiology
An endocrine gland is a type of organ
A. required for remodeling bone. B. where hormones are produced and then released into the blood. C. where neuronal signals are generated. D. restricted to the production of growth factors. E. None of the choices are correct.
Biology & Microbiology
Steroid hormones are synthesized from _____
a. amines c. proteins b. peptides d. cholesterol
Biology & Microbiology
Which of the following levels of organization is least complex?
a) organ b) tissues c) organ system d) cells
Biology & Microbiology