Polar Bears, Sequoias & Marine Life

From Arctic mammals and marine wildlife to birds, rodents and the giant sequoia, this ten-question nature quiz tests how living things are identified and adapted to their environments. Look for questions about body colour, tusks, radial symmetry, fat storage, pregnancy, scientific names and natural fibres such as cashmere. Some ask about an individual species while others compare entire groups, so match the level of biological classification to the wording.

10 questions Multiple choice
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Prepare for Polar Bears, Sequoias & Marine Life

Look for clues in the question, rule out answers that do not fit and review any unfamiliar facts at the end.

Questions to think about

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  1. Which bear species is native to Arctic sea-ice regions?
  2. What color is a polar bear's skin beneath its fur?
  3. Which sea creature has radial symmetry and tube feet?

Choose one answer per question. When you finish, review your results and read the explanations to understand any mistakes.

10 of 10 questions currently include additional explanations.

Read the Nature & Animals learning guide for more context.

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The answers, explained

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Question 1

Which bear species is native to Arctic sea-ice regions?

Correct answer: Polar bear

Polar bears are adapted to Arctic environments and rely heavily on sea ice to hunt seals. As Arctic sea ice declines, bears in many areas must travel farther or spend more time on land to find food.

Further reading: www.worldwildlife.org ↗

Question 2

What color is a polar bear's skin beneath its fur?

Correct answer: Black

Polar bear skin is black beneath the fur, helping it absorb solar energy. The hairs themselves are translucent rather than truly white; they scatter visible light, which makes the coat look white.

Further reading: www.britannica.com ↗

Question 3

Which sea creature has radial symmetry and tube feet?

Correct answer: Sea star

Sea stars are echinoderms, a group that also includes sea urchins and sea cucumbers. Their tube feet are part of a water-vascular system used in movement, attachment and handling food.

Further reading: ocean.si.edu ↗

Question 4

What is the scientific name of the giant sequoia?

Correct answer: Sequoiadendron giganteum

The giant sequoia's scientific name is Sequoiadendron giganteum. The species is native to California's Sierra Nevada, where its groves are monitored by researchers studying forest health and environmental change.

Further reading: www.usgs.gov ↗

Question 5

Which marine mammal is known for long tusks in adult males and females?

Correct answer: Walrus

Walruses of both sexes can grow long tusks, which are elongated canine teeth. They use them in social displays and to help haul themselves onto ice.

Question 6

Which animal stores most of its fat in a hump?

Correct answer: Camel

A camel's hump stores fat, which can be used as an energy reserve when food is scarce. It does not store a tank of water, despite the popular myth.

Question 7

Which animal has the longest gestation period?

Correct answer: African elephant

African elephants have a gestation period of about 22 months, one of the longest among mammals. The long development period is associated with the large, well-developed calf that is born.

Further reading: www.awf.org ↗

Question 8

Which animal is the largest living rodent?

Correct answer: Capybara

The capybara is the largest living rodent. It is a semi-aquatic mammal native to South America and is closely related to guinea pigs.

Question 9

Which of these flightless birds is endemic to New Zealand?

Correct answer: Little spotted kiwi

The little spotted kiwi is endemic to New Zealand. Like other kiwi, it is flightless.

Question 10

Cashmere is the wool from which kind of animal?

Correct answer: Goat

Cashmere is a fine fibre obtained from the soft undercoat of cashmere goats. The fibre is separated from coarser guard hairs and is valued for being light, warm and soft.

Further reading: www.britannica.com ↗

Explore the questionsBrowse all 10 questions in this quiz
  1. Which bear species is native to Arctic sea-ice regions?
  2. What color is a polar bear's skin beneath its fur?
  3. Which sea creature has radial symmetry and tube feet?
  4. What is the scientific name of the giant sequoia?
  5. Which marine mammal is known for long tusks in adult males and females?
  6. Which animal stores most of its fat in a hump?
  7. Which animal has the longest gestation period?
  8. Which animal is the largest living rodent?
  9. Which of these flightless birds is endemic to New Zealand?
  10. Cashmere is the wool from which kind of animal?

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