Becaise multiple kinds of organisms leads to further extended food chains, linking together to make a complex food web.
When a cross is made in between a pair of pure contrasting characters, only one of them is able to express phenotypically but another remain hidden in f1 generation
The correct answer is - hierarchical
Each entry in a(n) hierarchical database has one parent node, with the parent node having several child nodes.
A hierarchical database model is a data model where the data is organized into a tree like structure. The data is stored as records and these are connected to one another through links.