__________ occurs when two species act as agents of selection upon one another.
Fill in the blank(s) with the appropriate word(s).
Coevolution
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Fungi can cause various diseases, but can also be involved in processes that are beneficial to humans. Which of the following things are the result of fungi? Select all correct choices
A. smut or rust crop infections B. leavened bread C. soy sauce D. certain skin infections E. some soft cheeses
Which of the following is NOT involved in
self versus nonself recognition? a. complement b. MHC markers c. TCRs d. plasma membranes e. all of these are involved
Contractions of the dome-shaped __________ and
the intercostal muscles between the ribs alter the volume of the thoracic cavity during breathing. Fill in the blank(s) with the appropriate word(s).
Which of the following statements best explains why the waters over continental shelves have more nutrients than the open ocean?
A. Sunlight penetration is greater over continental shelves, making it more nutrient rich. B. The waters over continental shelves have more aquatic plants that provide nutrients. C. The open ocean has a greater concentration of consumers that deplete the water of nutrients. D. About 99% of seafood harvested by humans comes from the open ocean, thus depleting it of its nutrients. E. The water over the continental shelves are shallower so the nutrients remain in place.