Yes, they are. They have protozoa in their stomachs do help digest the wood.
No, termites are wood boring insects.
yes. im not sure but i think so
they break down large matter made up of celluose to small particles
They don't decompose the wood-they can digest cellulose; meaning they eat it, literally.
Yes, a termite is considered a decomposer as it eats wood. their teeth must be very sharp If it gets it's teeth stuck into a Beethoven symphony, then yes it's definitely a decomposer!