divide the chapters of 11th and 12th as botany and zoology ? please !!!!!!!!!!!!

differentiate between divergent evolution and convergent evolution.

is CBSE datesheet for class 12 exams 2014 declared????

Ques- branching descent and natural selection are the two key concepts of darwins theory of evolution.

      explain each concept with the help of suitable example. [CBSE 2011, 3 MARKS]

give a brief account of human evolution.

explain examples of homologous and analogous organs.

Define saltation and speciation with examples?

 please explain the Branching Descent of darwin's theory.

what do you mean by anthropogenic action?

What is Protobiogenesis?

plz define- branching descent....

what r examples of homologous organs

can we call human evolution as adaptive radiation.

what is anthropogenic action?

Q Write the oparin and haldane's hypothesis about the orgin of life on earth. How does meteoritic analysis favour this hypothesis.