Question 11.
Write short notes based upon the information known to you.
Connecting link.
Answer:
The animals or plants which possess the characteristics of two different groups of animals or plants. These plants or animals are ‘connecting links’. For example, lung fish. Lung fish resembles the fish in having paired fins, gills and scales on its body, but it respires through lungs like amphibians. Thus, lung fish acts as a connecting link between fish and amphibians.