Qualitative data is when you can see the ecosystems. the importance of biodiversity for all sustainable ecosystems is biodiversity boosts ecosystem productivity whether each species, no matter how small, all have an important role to play.
A testable question is B. If a plant is turned upside down, which way will the roots grow?
The other options are incorrect because you cannot create some kind of experiment to prove them right or wrong.
Hope that helped you.
Benzopyrene. Is the correct answer
