When microbes in close nutritional relationship and one benefits but the other is not harmed, it is called
A) Symbiosis
B) Commensalism
C) Synergism
D) Mutualism
E) Satellitism
B) Commensalism
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What are the two most important variables for cells to survive?
a. Temperature and pH b. Temperature and solute concentration c. Solute concentration and nutrient levels d. Solute concentration and pH e. Temperature and nutrient levels
Futuyma and colleagues (1995 ) used the herbivorous leaf beetles of the genus Ophraella to study constraints in genetic diversity
Ophraella beetles feed and lay eggs on only certain members of the sunflower family because the beetles are unable to ________. A) penetrate the epidermal layer to lay eggs on nonhost plants B) detect and detoxify chemical defenses produced by nonhost plants C) digest the leaves of nonhost plants D) break down the chemical defenses produced by nonhost plants in response to predation by the beetles
Moist heat destroys organisms by denaturing proteins
Indicate whether the statement is true or false
During unfavorable growth conditions, many protozoa can convert to a resistant, dormant stage called a _____.
Fill in the blank(s) with the appropriate word(s).