# Unit 7: Ecological Systems

> Từ vựng và mẫu câu Unit 7 (Ecological Systems), i-Learn Smart World 11: … is in danger of … / If …, … would ….

Source: https://olyclass.com/library/tb-ilearn-smart-world-g11-u07/

- Subject: English
- Level: B1
- Textbook unit: 16
- Play it free on one screen (projector, TV or whiteboard): https://olyclass.com/library?play=tb-ilearn-smart-world-g11-u07
- Copy and edit it: https://olyclass.com/library?copy=tb-ilearn-smart-world-g11-u07
- Games it plays well in: [Dare Board](https://olyclass.com/classroom-games/dare-board/), [Lucky Wheel](https://olyclass.com/classroom-games/lucky-wheel/), [Picture Dice](https://olyclass.com/classroom-games/picture-dice/), [Ladder Climb](https://olyclass.com/classroom-games/ladder-climb/)

## Words in this game

- **adventure**: Our trip to the jungle was a big adventure.
- **coral reef**: Many colorful fish live in a coral reef.
- **deter**: High fences deter people from entering the park.
- **ecological**: Pollution can cause serious ecological problems.
- **ecosystem**: A pond is a small ecosystem.
- **extinct**: Dinosaurs became extinct millions of years ago.
- **foreign species**: A foreign species can harm local plants and animals.
- **glacier**: The glacier is melting because the Earth is warmer.
- **grassland**: Zebras and lions live on the grassland.
- **hot spring**: We relaxed in a hot spring in the mountains.
- **hunting**: Hunting has reduced the number of some animals.
- **illegal**: It is illegal to cut down trees in this park.

## Questions

1. Tigers are ___ of disappearing because people destroy their forests. (in danger / in front / in need / in time)
   Answer: in danger
2. If we protected the coral reef, many fish ___ survive. (are / did / will / would)
   Answer: would
3. If people stopped illegal hunting, which would happen? (Fewer animals would die. / Forests would disappear. / Glaciers would grow warm. / More animals would die.)
   Answer: Fewer animals would die.
4. Which sentence is correct? (The glacier is danger of melting. / The glacier is in danger melting. / The glacier is in danger of melting. / The glacier is in danger to melt.)
   Answer: The glacier is in danger of melting.