What if there hadn't been a great extinction

If dinosaurs hadn't become extinct,mammals in the Earth couldn't evolve.
And the Earth would stuck in Cretaceous period and Jurassic Period,dinosaurs
would steel be the king of the Earth.

My favorite website

This is my favorite website

http://www.bbc.co.uk/cult/sherlock/

The Beginng of Life

I think the heat let chemical changed to protein.
And heat let protein changed to cell too.
I think lightning let the cell had enough heat and the life had begin.
Maybe the aerolite brought other planet's organism,
and the life in the Earth had begin.

cells{ Michael}

Wow, cells are the smallest thing in our bodies.
I think cells are come from the flash,I agree the scientist said.
I think cells are in our body everywhere.
Is there any cell begin earlier than bluegreencells？
I also want to know how did the cells got togethere？


MICHAEL2007.1.23

The Beginng of Life

I am arduously searching for the information.

Introduction of Brian

Hi!My name is Brian.
I am 12 years old.
I am a student in Da Tung elementry school.
My favorite subject is science.
And my favorite sport is basketball.
I also enjoy reading and swimming.