A more complex interconnected system of food chains is a consumer-resource system.
The answer is: An organism is born with an adaptation. Therefore, the answer is an organism is born with it (B).
Answer:
Option-C
Explanation:
Desertification refers to the formation of barren land from the arid land due to many factors which could be climatic or anthropogenic. The climate factors include no rainfall, arid conditions, less water and water bodies, overgrazing by animals and many others.
As a result of these factors, the plants die or are unable to hold the soil. This leads to loosening of soil which causes soil erosion. This converts the fertile land into infertile land and the land becomes barren.
Thus, desertification is the correct answer.
I would say D- acidification of the ocean caused by increased atmospheric carbon dioxide emissions that dissolve in water.