Questions 20—23 are based on the text below. (1) Tigers are among the most popular of the world'scharismatic animals. They arealso one of the largestcats, with lions and jaguars. They are predators which primarily prey on deer, cow, buffalo, boar, etc. (4) Tigers can be recognized from their pattern of dark vertical stripes on reddish-orange fur. These stripes are advantageous forcamouflagein vegetation such, as long grass, so they can stealth closer to their prey. (7) About 20,000 years ago, the tiger was widespread from Central Asia, Southeast Asia, to islands of Java, Bali and Sumatra. Now, they only live in isolated pockets in the remaining parts of their range. They occupy wide range of habitats, such as forest, swamp, mangrove forest, and savanna. (11) Adult tigers lead largely solitary lives. Young female tigers establish their first territories close to their mother's. Males, however, migrate further than their female counterparts and set out at a younger age tomark out their own area. The female rears her cubs alone, but sometimes male tigers participate in raising cubs, usually their own. However, this is extremely rare and not always well understood. (Taken from “https://en.wikipedia.org/wiki/Tiger” with some editing) What is the main idea of the text?

Question

Questions 20—23 are based on the text below.

(1) Tigers are among the most popular of the world's charismatic animals. They are also one of the largest cats, with lions and jaguars. They are predators which primarily prey on deer, cow, buffalo, boar, etc.

(4) Tigers can be recognized from their pattern of dark vertical stripes on reddish-orange fur. These stripes are advantageous for camouflage in vegetation such, as long grass, so they can stealth closer to their prey.

(7) About 20,000 years ago, the tiger was widespread from Central Asia, Southeast Asia, to islands of Java, Bali and Sumatra. Now, they only live in isolated pockets in the remaining parts of their range. They occupy wide range of habitats, such as forest, swamp, mangrove forest, and savanna.

(11) Adult tigers lead largely solitary lives. Young female tigers establish their first territories close to their mother's. Males, however, migrate further than their female counterparts and set out at a younger age to mark out their own area. The female rears her cubs alone, but sometimes male tigers participate in raising cubs, usually their own. However, this is extremely rare and not always well understood.

(Taken from “https://en.wikipedia.org/wiki/Tiger” with some editing)

What is the main idea of the text?