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In commercial crop production, growers often plant large quantities of just a few plant varieties. What...

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Biology

  1. In commercial crop production, growers often plantlarge quantities of just a few plant varieties. What is a majorproblem associated with this practice?

a. This practice decreases the efficiency of local insect-drivenpollination.

b. This practice decreases the nutritional quality of subsequentcrop yields.

c. This practice increases the chances that disease willdecimate global crop yields.

d. This practice interferes with the normal course of naturalselection.

e. This practice increases the chances that a genetic mutationwill occur.

  1. When sac fungi that grow as molds reproduce asexually,they _____.

a. form buds with a small amount of cytoplasm and no nucleus

b. produce spores by meiosis at the tips of specializedhyphae

c. form buds one nucleus and a small amount of cytoplasm

d. form dikaryotic buds with a small amount of cytoplasm

e. produce spores by mitosis at the tips of specializedhyphae

  1. Powdery mildews (sac fungi) and rusts and smuts (clubfungi) lead to the demise of plants by _____.

a. decreasing carbon dioxide levels

b. inhibiting the function of chloroplasts

c. depleting the plant of nutrients

d. producing toxic levels of carbon monoxide

e. increasing oxygen levels

Answer & Explanation Solved by verified expert
4.2 Ratings (788 Votes)
1 The practice increase the chances of disease will decimate the global crop yield is correct option Explanation Because due to growing a same kind of a crop in large population the    See Answer
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