What would be an easy way to determine if a skull is a mammal's skull?
A. Look for the remains of the tympanum.
B. Examine the teeth.
C. Measure the brain case volume.
D. Look for air sacs in the skull.
Answer: B
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A theoretical concept that is used to understand how and why certain organisms can be sorted into discrete taxonomic groups is known as the ________.
A. endosymbiotic theory B. genotypic concept C. phylogenetic concept D. species concept
Fever often enhances bacterial survival during an infection
Indicate whether this statement is true or false.
In a cell membrane, the phospholipid heads are ____
a. hydrophobic b. nonpolar c. dissolved in the cell’s watery interior d. sandwiched between the phospholipid tails e. formed by fatty acids
What is microevolution?
A. an individual organism changing its behavior to respond to its environment B. the major events in the origin of life on earth C. the evolution of microorganisms over the last 3 billion years D. a change at the genetic level in a small population that can occur in a single generation E. All of the above are correct.