What term best describes all of the species that live in a particular region?
a. population
b. habitat
c. niche
d. community
e. ecosystem
d
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Teosinte is a wild grass in Mexico from which corn (maize) was originally domesticated. How might corn that is grown commercially compare to teosinte?
A) Corn is less genetically diverse than teosinte. B) Corn is more genetically diverse than teosinte. C) Corn is a threat to teosinte populations. D) Corn is about as genetically diverse as teosinte.
One of two genetically identical chromosomal units that are the result of DNA replication and are attached to each other at the centromere.
What will be an ideal response?
A microbe resistant to a variety of different antimicrobials is said to have (cross/drug/multiple) resistance
What will be an ideal response?
Please select the pathogen from the genus Streptococcus that correctly represents the most serious pathogen of this group.
A) Group A beta-hemolytic S. pneumoniae B) Group A beta-hemolytic S. pyogenes C) Group A beta-hemolytic S. agalactiae D) Group B alpha-hemolytic S. pyogenes