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Olympiad (Class 7) Weather, Climate and Adaptations of Animals — practice questions — page 2

Explore 60 free Weather, Climate and Adaptations of Animals questions in Olympiad (Class 7) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Weather, Climate and Adaptations of Animals questions and exercises with answers

Showing questions 31–60 of 60.

Winter dormancy in reptiles such as snakes is commonly called what?Read the answer and worked solution →What name is given to the winter dormancy seen in many invertebrates like insects?Read the answer and worked solution →Some frogs and fish freeze in winter and wake in spring. What helps them survive?Read the answer and worked solution →Why can fish and reptiles not do true mammal-style hibernation?Read the answer and worked solution →Swallows were once thought to hibernate. Why do they vanish?Read the answer and worked solution →What is bird migration?Read the answer and worked solution →What appears to be the primary reason birds migrate?Read the answer and worked solution →Some hummingbirds skip migration if fed all winter. What does this suggest?Read the answer and worked solution →Northern-hemisphere migrants usually fly north in spring. For what purpose?Read the answer and worked solution →Why do long northern summer days help migrants raise young?Read the answer and worked solution →Geese flying in a V formation save how much energy compared with flying alone?Read the answer and worked solution →Most penguin species migrate in which way?Read the answer and worked solution →During droughts, emus in Australia make long-distance movements in which way?Read the answer and worked solution →Which bird has been recorded crossing the Himalayas at about 6,540 m?Read the answer and worked solution →Birds that stay in one area all year are called what?Read the answer and worked solution →Which body change helps a bird prepare for a long migration flight?Read the answer and worked solution →Flying in flocks to save energy during migration is which type of adaptation?Read the answer and worked solution →A thick coat of fur on an Arctic animal is an example of which type of adaptation?Read the answer and worked solution →A snake making venom or a snail secreting slime shows which kind of adaptation?Read the answer and worked solution →A person at high altitude makes more red blood cells over weeks. This is called what?Read the answer and worked solution →Which change in an animal's life is NOT passed to its offspring?Read the answer and worked solution →A harmless hoverfly looks like a stinging wasp. This helps it by doing what?Read the answer and worked solution →When a habitat changes, which of three outcomes truly produces adaptation?Read the answer and worked solution →Which factors set how long a mammal's hibernation lasts?Read the answer and worked solution →In a 2016 brown bear study, what two signs sent bears into dens?Read the answer and worked solution →The Little Ice Age caused what problem in Europe?Read the answer and worked solution →What does the process of weathering do to rocks?Read the answer and worked solution →Jupiter's Great Red Spot is what kind of feature?Read the answer and worked solution →Eleonora's falcon breeds very late so that its chicks are fed on what?Read the answer and worked solution →Which bird is the known exception that truly hibernates?Read the answer and worked solution →

Worked practice questions

Winter dormancy in reptiles such as snakes is commonly called what?

  1. Estivation
  2. Metamorphosis
  3. Brumation
  4. Moulting
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Correct answer: C. Brumation

Reptilian winter dormancy is called brumation.

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What name is given to the winter dormancy seen in many invertebrates like insects?

  1. Metamorphosis
  2. Hibernal
  3. Migration
  4. Diapause
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Correct answer: D. Diapause

Metabolic suppression and dormancy in many invertebrates is referred to as diapause.

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Some frogs and fish freeze in winter and wake in spring. What helps them survive?

  1. Extra red blood cells
  2. A thick layer of fur
  3. Antifreeze proteins
  4. Salty skin cells
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Correct answer: C. Antifreeze proteins

Freeze-tolerant species have evolved mechanisms such as antifreeze proteins.

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