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start out
live off
die off
n. 蜜蜂
n. 蚂蚁
n. 鸽子
v. 死
adj. 死的
n. 物种；种类
v. 尊敬；敬重
启程，出发；开始做
以……为食；以……为生
相继死去；灭绝
Words and expressions
To understand the passage about nature
To raise the awareness that all living things are connected
To learn some words and expressions:
start out species respect
If the birds eat the sick or dead fish, they may die off.
Some birds live off fish.
objectives
Can you list any living things?
Have you heard of food chain? Can you give us an example?
A simple food chain could start with grass, which is eaten by rabbits. Then the rabbits are eaten by foxes.
Do all the living things on the planet depend on one another?
What can we do for nature?
Read the lesson and put these sentences in the correct order.
( )All living things are connected.
( )We should protect the environment.
( )Living things live in the world.