Comentei no blog da Júlia Jardine:
http://juliajardine.blogspot.com/2010/04/tarefa-i.html

da Graziele Moraes:
http://biograzi.blogspot.com/2010/04/tarefa-1.html

e da Luiza Cerutti:
http://lucerutti.blogspot.com/2010/04/na-biologia-nao-existe-somente-uma-area.html