Question Detail
Question
Ecosystems are described as open systems because: a. they have input and output b. they have open gates c. they lack boundaries d. none of the above
Correct Answer
Option A is the correct answer.
Detailed Explanation
Ecosystems are considered open systems because they exchange both energy and matter with their surroundings. They have inputs (like solar energy, nutrients) and outputs (like heat, water loss).
Hint
Think of them as systems that receive and give out things.