Which of the following best defines “edge effect” ?
A. It refers to the changes in population or community structures that occur at the boundary of two habitats.
B. It refers to the changes in species composition at boundary between a terrestrial and aquatic habitat.
C. It refers to the reduction in species variety at the edge of the Earth՚s polar areas.
D. It refers to the near extinction of a particular species owing to imbalances in a food web.
Answer:A
Which of the following best defines “edge effect” ?
A. It refers to the changes in population or community structures that occur at the boundary of two habitats. B. It refers to the changes in species composition at boundary between a terrestrial and aquatic habitat. C. It refers to the reduction in species variety at the edge of the Earth՚s polar areas. D. It refers to the near extinction of a particular species owing to imbalances in a food web.