Cover of the textbook Outcomes Advanced - Student's Book

The key answer of exercise 4

The key to exercise solutions in chapter 8 - The animal kingdom for the textbook Outcomes Advanced - Student's Book with authors Carol Nuttall and Amanda French from National Geographic Learning

Question

Work in pairs. Think of an animal for each of the sentences in Exercise 3. Discuss why each action might be done.

Answer

  1. birds build nests – to make a secure, warm place to lay eggs and raise young
  2. a spider can sense the slightest movement – to capture prey
  3. a mole tunnels down into the earth – home, find food, escape predators
  4. a stick insect can blend into the background – escape predators, hide to leap out and catch prey
  5. a polar bear can withstand freezing temperatures – to survive in cold northern climate
  6. a beaver gnaws through tree bark – to eat, find prey, sharpen teeth, get logs to build dams
  7. a gorilla / ape puffs up its chest – to attract a mate, as a warning signal
  8. a shark or killer whale might leap out of the water and snatch its prey – to eat
  9. seals / bears store reserves of fat – when they hibernate, to withstand freezing temperatures
  10. pigs let out a high-pitched squeal – being killed, a warning, a mating call

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