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Monday, 28 December 2015

Attention 9th

It is very important to read the OTBA material for the SA2 from the chapter Our natural resources .
Some important questions from Diversity from the current topic
1 Write two technical names of plants and animals
2Write the signifant features of Vertebrata
3Analyse the evolution of heart from pisces to mammalia
.4 compare the features of bony and cartilaginous fish.
5list the salient features of mammlia.

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