Robert MacArthur's observations on the Warblers of North America indicate that they
A) are fiercely competitive.
B) cannot coexist.
C) reduce competition by feeding during different times of the day.
D) reduce competition by feeding in different zones.
E) both are fiercely competitive and cannot coexist.

Question

Quizplus · Accepted Answer

Robert MacArthur observed that Warblers reduce competition by feeding in different zones. They have different feeding strategies and habitat preferences which allows them to coexist without competing with one another. They avoid competition by dividing up their resources through feeding in different parts of the same tree or different parts of different trees.

Robert MacArthur's Observations on the Warblers of North America Indicate