The lion is often thought of as the king of the jungle, but the African wild dog may be a better hunter. Both lions and African wild dogs are pack animals and have females lead their hunts, but they have different hunting styles. Although lions are very fast, they do not have much stamina. They attack in short, ferocious bursts because they get tired quickly.

The key structure of the text is _________.



a.
comparison - contrast


b.
descriptive


c.
sequence


d.
cause - effect