Question

the passage below describes an experiment. stem rust fungus is a type of fungus that grows on the stems of some plants. polly put an equal amount of stem rust fungus on ten wheat plants and ten barley plants. she then placed the plants in a greenhouse. three weeks later, the stem rust fungus had grown enough to be visible on the plant stems. polly measured the amount of fungus on each stem. identify the question that the experiment can best answer. do plants kept in greenhouses have more stem rust fungus on their stems than plants kept outdoors? does more stem rust fungus grow on the stems of wheat plants or on the stems of barley plants?

Explanation:

This question allows for an experiment to compare the growth of stem - rust fungus on two different plant types, which can be investigated through observation and measurement.

Answer:

Does more stem rust fungus grow on the stems of wheat plants or on the stems of barley plants?