Scientists have noted a decline in the number of all mushroom species dating back to the early 1900s. in addition, annual crops of edible mushrooms in france and germany have declined since 1950. one hypothesis explaining the decline is that edible fungi are being overharvested. global warming and air pollution have also been considered as part of the problem. what evidence to exclude overharvesting as the cause of the overall decline?
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Biology, 21.06.2019 17:00
What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?
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Biology, 21.06.2019 20:30
Dr. kaylan is an ecologist who studies bird behavior. she sets up an experiment to test which type of food crows are most likely to eat when given a choice between walnuts, corn, and sunflower seeds. to perform her experiment, dr. kaylan places three food bins in an area frequented by cows. each bin contains one of the three food types. then, she measures how much of each food type is eaten every day for a month and summarizes the results of her experiment in the pie chart below. based on her results, dr. kaylan concludes that crows choose to eat corn more frequently than other food sources because it has a higher nutritional value. what is a reasonable alternate conclusion that can be drawn from dr. kaylan's data
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Biology, 21.06.2019 23:30
Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.
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Biology, 22.06.2019 05:00
Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior
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Scientists have noted a decline in the number of all mushroom species dating back to the early 1900s...
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