____ begins in an area where there was a preexisting community and well-formed soil
a. Character displacement
b. Species richness
c. Primary succession
d. Secondary succession
e. Competitive exclusion
d
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What challenges does respiration in water present? Check all that apply.
_____ The density of water is very high relative to air. _____ Water holds approximately 30 times less oxygen when compared to air. _____ Water requires an additional energy expenditure to move across epithelial surfaces. _____ Water moving across respiratory surfaces removes heat from the animal. _____ Water breathing animals have a high risk of desiccation.
Action potential propagation is the fastest in ____
a. a myelinated axon with a small diameter b. an unmyelinated axon with a small diameter c. a myelinated axon with a large diameter d. an unmyelinated axon with a large diameter e. all myelinated axons regardless of diameter
Mitochondrial genome transcription, translation, and replication occur where?
What will be an ideal response?
All of the following statements regarding congenital anomalies are true, EXCEPT
A. Congenital anomalies are within the top 10 causes of death for humans under age 24, and within the top three for humans under 14yo. B. Congenital anomalies may be genetic, environmental, or a combination of the two. C. Most congenital anomalies are purely genetic in origin. D. This term includes malformations, deformations, disruptions, syndromes, sequences, and associations. E. This term is synonymous with "birth defects" and "congenital malformations."