Which of the following best describes the role of a niche? An organism's ability to live in any given area of the world An organism's ability to thrive and survive in its environment An organism's ability to adapt to changes in the environment An organism's ability to reproduce.

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit