A testable question is something you need data for, ex: if i bounce a bouncy ball from larger heights, how high will it fly? it can't be just a regular yes or no question
Recessive traits are visible in the organisms phenotype as long as TWO recessive traits are present.
Decomposers is the correct answer
I see half of it and what are you working on?
Http://www.flashcardmachine.com/nutrition-exam33.html
This I think definitely will help :)