Answer:
Food chains are a pictorial description of an ecosystem: what eats what. This helps scientists track the web of interdependence. If one important component in a chain is removed or affected, we can make predictions about how this might impact the entire ecosystem. We can track the effects of disruptions on a system.
Answer:
carries the genetic information copied from DNA in the form of a series of three-base code “words,” each of which specifies a particular amino acid.
Organ system is the answer according to me if it is one word question
