Which of the following consists of organisms, all of which share a common gene pool?
a. a community
b. a population
c. a biosphere
d. an ecosystem
e. a landscape
b
Biology & Microbiology
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Describe the production of pollen
What will be an ideal response?
Biology & Microbiology
what does neutrophil phagocytosis of fungi do?
What will be an ideal response?
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Which of the following statements about B cells is true?
A. B cells change into plasma cells after encountering an antigen and then produce antibodies. B. B cells carry receptor molecules on their cell surfaces. C. Some B cells become memory cells. D. B cells develop and mature in the bone marrow. E. All of the answer choices are correct.
Biology & Microbiology
Which of the following elements, essential to life, is a trace element?
A) phosphorus B) carbon C) iodine D) calcium
Biology & Microbiology