Question

Question Which of these best represents an ecosystem?

A} A herd of deer grazing in a field

B} Mushrooms decomposing organic matter

C} A pitcher plant growing in nutrient-poor soil

D} Frogs and fish swimming in a pond in the forest

Answer 1

Answer:a.

Explanation:I took the quiz

Answer 2

The answer is D.

—Explanation—
•] a biological community of interacting organisms and their physical environment.
•] Option D mentioned ‘forest’ which is an ecosystem and described what's inside of it (the frogs, fish and pond)