What does point E on the graph shown mark? A graph of a forest's yearly regrowth and yearly felling, in thousand cubic metres. Regrowth is a flat line at 60. Felling rises in a straight line: 30 in year 0, 40 in year 2, 50 in year 4, 60 in year 6, 70 in year 8 and 80 in year 10. The two meet at point E, in year 6.

What does point E on the graph shown mark?

Question 8

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What does point E on the graph shown mark?

A graph of a forest's yearly regrowth and yearly felling, in thousand cubic metres. Regrowth is a flat line at 60. Felling rises in a straight line: 30 in year 0, 40 in year 2, 50 in year 4, 60 in year 6, 70 in year 8 and 80 in year 10. The two meet at point E, in year 6.

The year the forest is fully cut downCorrect answerYour answerThe year regrowth stops altogetherCorrect answerYour answerThe year felling is at its lowestCorrect answerYour answerThe year felling catches up with regrowthCorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer D

Correct answer: D

At E, in year 6, felling = regrowth = 60. Beyond E, felling is more than the forest can replace.

Concept: Carrying capacity
Typical timeTypical: 70 s
Your timeYours: —

The rule this testsThe environment and its functions

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Ten questions from Environment & Sustainable Development, at your own pace.

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Ten questions from Environment & Sustainable Development, at your own pace.

What does point E on the graph shown mark?

Question 8

Explanation