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A) Crossing - over
In a cornfield, only one plant species has dominated the area, that is the corn plant. While in a natural meadow, multiple species of plants occurs of different species. The presence of the different types of plants in the meadow will interact more number of insects in it as compared to the corn field. This will lead to more interactions among the different species in a natural meadow. The greater biodiversity of the natural meadow than the cornfield will support it better.
In case of any natural disaster, or a pest attack, all the plants will be killed in a corn field and so will the insects dependent on them, but in a natural meadow, if one plant species is killed by a natural disaster, other will still be alive. Hence, the ability to survive is greater in natural meadow.
Speciation<span> is the term used to describe the formation of a new </span>species<span> due to </span>natural selection<span>.</span>
Answer:
It is called a food web. Hope this helps
In the south it becomes 24 hour darkness and in the north it is 24 hour sunlight
