The animals that are being sampled are can die if the sample is not made with properly
I think this is the organizer you're looking for.
https://prezi.com/dloczv5jk6g-/wordsworth-graphic-organizer-b/
Yes, this sentence is technically written correctly. It's a little awkward in terms of form but there's nothing specifically wrong with it, since question marks go inside quotations.
To hope is a feeling of desire for a certain thing to happen.