Test of unit 3
Answer these questions :
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A- Complete
1-Archeoptrix is the linkage between ............and........... *
2- Fossils are used in.......................and................ *
3- .............. is trace fossil *
4-....................... is established in 1963 to protect engendered species *
5- Removing forests leads to ..................and to ................. *
6- ...................is from extinct mammals while .............is from engendered mammals *
B- Give reason for:
1-Melting of ice in north and south polar *
2-buring of fossil fuel should be reduced *
3-Formation of ozone layer in stratosphere layer *
C- look at these pictures then answer the questions
1
2
3
4
1- write the name of every picture *
2- what the relationships between 1,2 and 3,4? *
3- what the causes of extinction of picture 1? *
4- what the name of  plant which feed on it  animals in picture 2?  what do you know about it? *
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