The production of pollen, seeds, and flowers attributed to the widespread distribution of angiosperms. Why is the production of seeds an advantage?
A. It allows fertilization in the absence of water.
B. It protects and nourishes the embryo.
C. It promotes pollination.
D. It allows fertilization in moist areas.
E. It is necessary for sexual reproduction.
B. It protects and nourishes the embryo.
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From the plant's perspective, which term best describes carbohydrates in the context of symbiotic relationships with bacteria?
A. a renewable resource B. a loss of energy C. a source of NH3 D. a source of N2
Dense connective tissue is indicated by the letter ____
a. A b. B c. C d. D e. E
Which two molecules are oxidized during the electron transport system?
What will be an ideal response?
Which of the following statements concerning pathogen-associated molecular patterns (PAMPS) is
false? a. They are features of pathogens recognized by cells of animals. b. They trigger activation of phagocytes. c. They react with specific receptors on host cells. d. They are found on all microbes except viruses. e. An example is the peptidoglycan of grampositive bacteria.