A few hours after a dinner party, most of the people who attended begin to suffer nausea, vomiting, and diarrhea. The food at the meal is suspected as the source, although no unusual microbes are cultured from samples of the food or from stool samples
These observations suggest they may be suffering from food (infection/intoxication).
What will be an ideal response?
intoxication
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Daisies and daffodils, have flowers that serve as organs of reproduction, leaves that serve as organs of photosynthesis, and xylem and phloem that move water and food throughout the plant. These similarities are best explained by
A) the "Ladder of Nature." B) uniformitarianism. C) inheritance of acquired characteristics. D) a common ancestry. E) artificial selection.
In the ________ cycle, water is cycled among the atmosphere, oceans, and living organisms
Fill in the blank(s) with correct word
________ fatty acids are liquid at room temperature, while ________ fatty acids are solid.
Fill in the blank(s) with the appropriate word(s).
What is the difference between cross- and self-fertilization?
A) In cross-fertilization the pollen from one plant is used to fertilize the egg of another plant. B) In cross-fertilization the pollen from one plant is used to fertilize the egg from the same plant. C) In self-fertilization the pollen from one plant is used to fertilize the egg from another plant. D) In cross-fertilization insects are used to pollinate the plants, whereas in self-fertilization the investigator pollinates the plants.