Large evolutionary changes that result in the placement of related organisms into different genera or higher-level taxa occur via the process of ________
A) speciation
B) macroevolution
C) microevolution
D) independent evolution
E) evolutionary differentiation
B
Biology & Microbiology
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Graded potentials are particularly important for conveying stimulus intensity in
A. sensory neurons. B. motor neurons. C. interneurons. D. skeletal muscle cells. E. Schwann cells.
Biology & Microbiology
A human embryo has webbed fingers. Why are human babies not usually born with webbed fingers?
What will be an ideal response?
Biology & Microbiology
A sample placed into fresh medium is initially in the (lag/log/stationary) phase of microbial growth in most instances.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
In humans, most nutrient molecules are absorbed by the __________.
a. stomach b. liver c. small intestine d. large intestine e. pancreas
Biology & Microbiology