以下为课件内提取的文本内容，仅供参考：

Unit4 Integrating skills

Wildlife and garden roses

达尔文

I Lead-in

What was Darwin famous for? What led him to write the book?

1He was famous for writing a book

called” on the origin of species”.

He said that all living plants and animals

gradually developed.

2 It was his expedition to the Galapagos

II reading

Find out the important people mentioned in the text.

Charles Darwin

Gregor Mendel

Gote Turesson

From England

From Austria

From Sweden

1. The research by Darwin,Mendel and Turesson shows that_ A.genetics is more important than the

environment to plantsB．genetics is less important than the

environment to plantsC.both genetics and the environment are

important to plantsD.neither genetics nor the environment is

important to plants

2. Darwin observed that the birds with __ would eat_A.small beaks l hard seeds B．broad beaks；hard seedsC.hard beaks；hard seeds D．broad beaks；soft seeds

3.Darwin joined the scientific expedition on _____ ．A.the Endeavour B.Tahiti C．the Beagle D．space

The wildlife of Galapagos, many varieties of garden roses

There were differences between the species of the different islands’yet all showed a clear relationship with those of America’ differences in habitat could lead to different species in birds as well as in plants.

Flowers and peas

Many characteristics were passed on from one generation to the next, without influence by the environment. His research gave birth to the science of genetics.

Study of a

wild plant in

Swedish coast

He showed difference between

plants of a spiceso ccurred as

a result of the environment.

The text can be divided into four parts

Part I Pa1-3: Darwin and his research.

Part II Pa4-5: Mendel and his experiment.

Part III Pa6: Turesson and his study

Part IV Pa7: the importance and significance of the research of the three.

III WritingDandelion

Study the dandelion as it appears in two different living condition. And describe two plants and explain the differences

different places

(leaves)