One of the most widespread forest types is __________.
Fill in the blank(s) with the appropriate word(s).
Answer: Boreal forest
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In an approach called ________ taxonomy, relatedness is determined by a wide range of phenotypic and genotypic information.
Fill in the blank(s) with the appropriate word(s).
Indirect development in sea urchins involves the presence of a _________________ stage.
Fill in the blank(s) with the appropriate word(s).
In a lichen that is in a mutually beneficial relationship, what does the photobiont usually receive?
a. aid in sexual reproduction b. shelter from radiation and desiccation c. protection from herbivory d. enhanced dispersal of offspring
Which of the following statements accurately describes why Taq polymerase is used in PCR?
A. It has regions that are complementary to the primers. B. It is heat stable and can withstand the heating step of PCR. C. It binds more readily than other polymerases to the primers. D. Only minute amounts are needed for each cycle of PCR.