David Attenborough: A Life on Our Planet

What human disaster happened in the city of Chernobyl in 1986?

What was the world population in 1937?

• 1.4 billion people

• 2.3 billion people

• 3.4 billion peple

• 5 billion people

By 1954 what percentage of wildlife was remaining?

• 90%

• 75%

• 64%

• 50%

By 1954 what percentage of wildlife was remaining?

• 80%

• 73%

• 64%

• 55%

By how much had the Borneo's rainforest decreased by the end of the 20th century?

Up to how many species of trees are there in a small patch of rainforests?

• 50

• 150

• 500

• 700

What colour did all the coral turn?

• White

• Black

• Grey

• They disappeared

What change occured in the ocean to cause coral to change the colour?

How many people are estimated to be on Earth by 2100?

• 10 billion

• 11 billion

• 12 billion

• 13 billion

What has happened to the city of Chernobyl since it was evacuated 30 years ago?