Age range (of fossils) - definition

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

This is the process of making a prediction based on the results of prior observations of similar events.

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?