FORESTRY
ECOLOGY AND ENVIRONMENT
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Throughout New York State, some farmers have switched from growing a variety of vegetable crops to growing a single crop, such as corn. Other farmers are concerned that such a practice will make it more likely that an entire crop could be lost to disease or infestation by an insect pest. This is a valid concern because this practice
|
reduces the biodiversity of their fields
|
|
increases the number of decomposers in their fields
|
|
decreases the need to import food
|
|
increases the number of invasive species
|
Explanation:
Detailed explanation-1: -Mutations and sexual reproduction increase genetic variation in a population.
Detailed explanation-2: -A genetically diverse population of individuals is more likely to survive than a population of individuals with similar genetic makeup. Variation allows some individuals within a population to adapt to the changing environment and natural selection allows the expression of those beneficial traits to persist.
There is 1 question to complete.