Answer and Explanation:
Observing population directly gives you accurate result .
Direct observation does not need any intermediary as they themselves go for survey.
So, it is cost efficient.
Whereas indirect observing may involve manipulations.
It requires someone or many to hire who helps in surveying.
It incurs cost.
Thus, direct observation is always better than indirect observation.
Answer:
D is incorrect. Took the quiz. The most acceptable answer is either A or C
True, our ecosystem is not independent. Everything depends on everything else to survive. :)
A and D have a good day bye bye bye
