Décris cet animal avec six phrases complètes en français. what does this mean?

It means describe this animal with 6 complete sentences in french 

Describe the animal using French vocabulary in full and complete sentences.

Can you give a list then i can choose the best answer

It depends : )
if the narrator participates in the story (it’s a character of the story) then yes.
but if the narrator does’nt participate in the story (the narrator does not have a character) then no.