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Climate change is causing ice in the oceans to melt.

• to become liquid as a result of heating

• to get colder and become solid

Some species of bat are in danger because farmers spray plants, their biggest food source, with dangerous chemicals.

• the cause of something

• where something comes from

Polar bears are endangered. If we don’t do something to save them,

they will probably disappear.

• at risk of no longer existing

• very dangerous to humans

Most people have only seen lions in a zoo or animal park and not in

their own habitat in the African savannah.

• the natural environment of an animal or plant

• a building where animals live when they are kept in a zoo

There are two species of elephants: Asian elephants and African

elephants.

• a type of animal which is under threat

• a group of plants or animals which share similar features

Polar bears depend on sea ice for survival. Without the ice, it’s difficult

for them to hunt for seals.

• to need

• to have

Oil spills can damage the polar bear’s environment and can even

kill them.

• to hurt

• to help

The single greatest human threat to the environment is climate change.

• the possibility of trouble, danger or disaster

• a suggestion for improvement