Which of the following are used as antibiotics?
a. secondary metabolites of fungi
b. bodies of lichens
c. systemic mycoses
d. fungal pathogens
a. secondary metabolites of fungi
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Ivanowsky first recognized that something smaller than a bacterium, called a filterable virus, was able to cause disease in the year
A. 2001. B. 1892. C. 1700. D. 1965. E. 1650.
Amoebae include microbes with
a. threadlike pseudopodia. b. eyespots. c. parabasal bodies. d. alveolata.
A city was intensively sprayed with the chemical DDT to control houseflies. The number of houseflies was immediately greatly reduced
Each year thereafter, the city was sprayed again, but the flies gradually increased in numbers until 10 years later when they were as abundant as they were before the control program began. Provide an evolutionary explanation of what happened.
Placental transfer tissues are necessary because plant embryos are incapable of photosynthesis.
Answer the following statement true (T) or false (F)