POLAR BEAR

POLAR BEAR

COMMON NAME: Polar Bear

SCIENTIFIC NAME: Ursus maritimus

TYPE: Mammals

DIET: Carnivore

AVERAGE LIFE SPAN IN THE WILD:

25 to 30 years

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Polar Bear - Characteristics

WEIGHT:

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​Adult males normally weigh 350- 600 kg .

Adult females are usually 150-290 kg.

But some can be larger. Researchers in Canada estimated one male bear at 800 kg!

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​POLAR BEAR

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Polar Bear - Characteristics

HEIGHT:

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Polar bears are also tall. Those heights are typically 1-1.5 m for adult polar bears.

An adult male may reach over 3 m (10 ft) when standing on its hind legs.

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​POLAR BEAR

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Polar Bear - Characteristics

Multiple Choice

AVERAGE LIFE SPAN OF POLAR BEAR IN THE WILD

• 20-25 years

• 20 years

• 25-30 years

• 40 years

Multiple Choice

Adult males normally weigh ........ kg .

• 300 - 500 kg

• 100- 200 kg

• 300 - 350 kg

• 350- 600

Multiple Choice

Adult females are usually ....... kg

• 300 - 500 kg

• 150-290

• 100 - 350 kg

• 250- 00

Multiple Choice

Polar bears are also tall. Those heights are typically ...... for adult polar bears.

• 6 m

• 3 - 4 m

• 1-1.5 m

• 3 m

THICK PADDING OF FAT

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• A thick layer of fat helps keep the bears warm. A polar bear’s body fat can measure up to 11.4 cm.

• In the water, polar bears rely more on their fat than their fur to keep out the cold​.

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​POLAR BEAR

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padding (n) vật đệm lót

rely on (n) dựa vào

keep out the cold: tránh khỏi cái lạnh​

• ​They’re huge—as big as dinner plates—and measure up to 30 cm across. This helps the bears walk on thin ice without falling through.

•  The polar bear’s super-paws are also designed for swimming. The forepaws act like large paddles and their hind paws serve as rudders.

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​POLAR BEAR - Specialized Paws

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paddle (n) mái chèo

​rudder (n) bánh lái​

• ​Thick, curved, sharp, and strong—each measures more than 5 cm long.

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• Polar bears use their claws to catch and hold slippery seal prey and to gain traction on ice.

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​POLAR BEAR - Powerful Claws

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Multiple Choice

A .................. helps keep the bears warm. A polar bear’s body fat can measure up to 11.4 cm.

• thin layer of fat

• thick layer of fat

• long layer of fat

• short layer of fat

Multiple Choice

In the water, polar bears rely more on their fat than their fur to ........ the cold​.

• keen on

• keep on

• keep in

• keep out

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• In the Arctic, temperatures can plunge to -40° or -46 C in winter and stay that way for days or weeks. But polar bears are built for those conditions.

• From fur to skin, to paws and claws, the sea bear’s physique is designed to protect them from the cold, hunt seals, and dominate the Arctic.

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​POLAR BEAR - Wonderfully Adapted

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physique (n) cơ thể, thể lực, vóc dáng

dominate (v) thống trị

• Polar bears are forever linked to the Arctic sea ice, where they hunt their seal prey.

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• The bears are found in five nations: the U.S. (Alaska), Canada, Russia, Greenland, and Norway (Svalbard).

Where do polar bears live?

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Fill in the Blanks

Multiple Select

The bears are found in some nations:

• the U.S. (Alaska)

• Canada

• Russia

• Greenland

• Norway (Svalbard)

THANK YOU!

​POLAR BEAR