VIP Class Notes (Mike)

Vocabulary

marine ecosystem 海洋生物系统

ecology (n) 生态学

collapse (v)
The building collapsed after the plane hit it.

devastating  (adj) 破坏性极大的
Nuclear bombs are devastating.

feed on
Shark are feed on smaller fish.

algae (n) 藻类
The smallest creatures feed on algae.

coral (n) 珊瑚

oxygen (n) 氧气

nitrogen (n) 氮

extinct (v) 灭绝
What if dinosaurs never went extinct?

Speaking exercise

The smaller fish will grow and grow, all the smallest fish will be eaten. Algae will cover the sea. There is no direct sunlight enter in the sea. The coral and a lot of fish will die. So the shark is a very good animal for ecological balance.

If sharks all die, then the smaller fish will grow without any limit, and their growth will lead to the death of the smallest fish. As a result, algae will cover the sea. There is no direct sunlight entering the sea. The coral and a lot of fish will die. So the shark is a very good animal for ecological balance.