Find the Earliest Completion Time for the Following Order-Requirement Digraph

question 22

Short Answer

Find the earliest completion time for the following order-requirement digraph.

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Definitions:

Ecosystem

A biological community of interacting organisms and their physical environment.

Individual Organism

A single, living entity that can function on its own, performing all necessary activities of life.

Orders

In biological classification, orders are a rank used to categorize families of organisms, providing a higher level of organization than families but lower than classes.

Class

A category or group of biological organisms sharing common characteristics, ranks below phylum and above order in the hierarchical classification of life.