Adaptations for Cold Environments (VCE SSCE Biology): Quizzes
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Practise the questions
10 questions from this quiz
What percentage of the wood frog's body water can freeze while it survives?
What percentage of the wood frog's body water can freeze while it survives?
65%
Which type of adaptation can plants NOT use in cold environments?
Which type of adaptation can plants NOT use in cold environments?
Behavioural adaptations
What happens to biochemical reactions at low temperatures in organisms?
What happens to biochemical reactions at low temperatures in organisms?
They slow down or stop completely
How does a lower surface area to volume ratio help animals in cold environments?
How does a lower surface area to volume ratio help animals in cold environments?
Releases heat more slowly
What is brumation?
What is brumation?
Torpor in ectotherms
What is the main benefit of countercurrent circulation?
What is the main benefit of countercurrent circulation?
Maintains core body temperature
How do plants use freezing point depression to survive cold?
How do plants use freezing point depression to survive cold?
By increasing solute concentration
What is a key advantage of deciduous trees in cold environments?
What is a key advantage of deciduous trees in cold environments?
Avoid damage to frozen leaf tissue
What is vasoconstriction?
What is vasoconstriction?
Narrowing of blood vessels
What is key to the wood frog's freeze tolerance?
What is key to the wood frog's freeze tolerance?
Where the water freezes