here another video:
http://www.youtube.com/watch?v=5ruXdbUl_TE

the kingdoms of life

here is a song of microbes:
http://www.youtube.com/watch?v=1EkehFkhWf4

classifying living things

here you can see the evolution of HOMER that is also of the man: http://www.youtube.com/watch?v=faRlFsYmkeY

cells divide and grow

Here you can see sexual reproduction in plants!!!
http://www.youtube.com/watch?v=FsBQQDg5GIw&feature=related

How cells work

Here you can see a video of photsynthesis:
the number #1 something funny http://www.youtube.com/watch?v=lqEDz2vfhpQ&feature=related
The number #2 is a song about photosynthesis:
http://www.youtube.com/watch?v=ooScAV6oVFw&feature=related

Here you can see a video about cells:

http://www.youtube.com/watch?v=t8yzHVAxKhQ

Organization of livings things.

Here you can see a video about cells and tissues!!

http://www.youtube.com/watch?v=Is399VWR3lk