In a lichen that is in a mutually beneficial relationship, what does the mycobiont receive?

a. aid in sexual reproduction
b. enhanced dispersal of offspring
c. nutrients
d. protection from herbivory


Ans: c. nutrients

Biology & Microbiology

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In humans, crossing over ________

a. occurs at least once per chromosome b. is exceedingly rare c. occurs 46-95 times per chromosome d. never happens

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Ecotourism measures ecosystem services such as carbon dioxide processing or water retention and

purification.

Indicate whether the statement is true or false.

Biology & Microbiology

Which vertebrae are fused together forming a single unit?

A) Cervical
B) Cranial
C) Thoracic
D) Sacral

Biology & Microbiology

Who formalizes a set of criteria for determining the cause of infectious diseases. He proposed that for concluding that a microbe causes a particular disease, these criteria must be fulfilled.

A. Alexander Fleming B. Ignatz Semmelweis C. Louis Pasteur D. Robert Koch E. Joseph Lister

Biology & Microbiology