Answer — Exercise 4
8 - The animal kingdom·Outcomes Advanced - Student's Book
Question
Work in pairs. Think of an animal for each of the sentences in Exercise 3. Discuss why each action might be done.
Answer
- birds build nests – to make a secure, warm place to lay eggs and raise young
- a spider can sense the slightest movement – to capture prey
- a mole tunnels down into the earth – home, find food, escape predators
- a stick insect can blend into the background – escape predators, hide to leap out and catch prey
- a polar bear can withstand freezing temperatures – to survive in cold northern climate
- a beaver gnaws through tree bark – to eat, find prey, sharpen teeth, get logs to build dams
- a gorilla / ape puffs up its chest – to attract a mate, as a warning signal
- a shark or killer whale might leap out of the water and snatch its prey – to eat
- seals / bears store reserves of fat – when they hibernate, to withstand freezing temperatures
- pigs let out a high-pitched squeal – being killed, a warning, a mating call