Part 1
For questions 1-8, read the text below and decide which answer (А, В, C or D) best fits each gap. There is an example at the beginning (0).
Example:
| A natural | В native | C wild | D indigenous |
The migration of the monarch butterflies
The migration of millions of North American monarch butterflies is one of the most stunning 0 _____ phenomena on Earth. In 1 to other members of the same species elsewhere, the North American species migrates far in winter, taking a journey that 2 of 3000 miles. They 3 off in Canada and the US, arrive in central Mexico in November, and return in March. The sight of them together in fir trees in Mexico is an incredible 4 to witness.
However, none of the butterflies actually make the entire round trip. The females lay eggs in Mexico and it’s the new generation that heads north. They travel to Texas where the process is repeated. The butterflies have a 5 to stop twice on their way back to Canada, meaning that it takes four generations to complete the trip.
Monarch butterflies are important because they pollinate plants. In 6 , they form a key part of the food chain. They also 7 danger from disease and a loss of habitat. However, at 8 their forest in Mexico is protected.
For this task: Answers with explanations :: Vocabulary