8th grade ecosystems and food chains

Question 1

What type of adaptation is this: a camel producing very little urine?

• A. structural (body shape or parts)
• B. behavioural (what it does)
• C. functional (body processes)

Question 2

Adaptations: which statement is NOT true?

• A. Adaptations are inherited features that help an organism survive.
• B. Hibernation is a behavioural adaptation.
• C. Cactus spines help it absorb water.
• D. Some bacteria are adapted to live in boiling hot springs.

Question 3

Arctic foxes have small ears; fennec foxes in the desert have huge ears. What is the best explanation?

• A. Ear size is random and has no effect
• B. Big ears increase surface area to lose heat; small ears reduce heat loss
• C. Arctic foxes do not need to hear
• D. Desert foxes need to hear the sea

Question 4

What type of adaptation is this: a hedgehog hibernating?

• A. structural (body shape or parts)
• B. behavioural (what it does)
• C. functional (body processes)

Question 5

Adaptations: which statement is NOT true?

• A. Some bacteria are adapted to live in boiling hot springs.
• B. Cactus spines help it absorb water.
• C. Adaptations are inherited features that help an organism survive.
• D. Hibernation is a behavioural adaptation.

Question 6

Emperor penguins huddle together in winter. What kind of adaptation is this and why does it help?

• A. functional: it makes them produce venom
• B. structural: it makes their feathers longer
• C. it has no effect on heat loss
• D. behavioural: it reduces the surface exposed to the cold, cutting heat loss

Question 7

What type of adaptation is this: a fennec fox's very large ears?

• A. structural (body shape or parts)
• B. behavioural (what it does)
• C. functional (body processes)

Question 8

Adaptations: which statement is NOT true?

• A. Hibernation is a behavioural adaptation.
• B. Some bacteria are adapted to live in boiling hot springs.
• C. Adaptations are inherited features that help an organism survive.
• D. Migration is a structural adaptation.

Question 9

Why do many desert plants open their stomata only at night?

• A. Because they photosynthesise at night
• B. To keep warm
• C. To catch insects
• D. To reduce water loss when it is cooler

Question 10

What type of adaptation is this: a hedgehog hibernating?

• A. structural (body shape or parts)
• B. behavioural (what it does)
• C. functional (body processes)

Question 11

Adaptations: which statement is NOT true?

• A. Thick blubber is a structural adaptation of seals.
• B. Some bacteria are adapted to live in boiling hot springs.
• C. Cactus spines help it absorb water.
• D. Hibernation is a behavioural adaptation.

Question 12

Emperor penguins huddle together in winter. What kind of adaptation is this and why does it help?

• A. behavioural: it reduces the surface exposed to the cold, cutting heat loss
• B. it has no effect on heat loss
• C. structural: it makes their feathers longer
• D. functional: it makes them produce venom

Question 13

What type of adaptation is this: a polar bear's thick fur and fat layer?

• A. structural (body shape or parts)
• B. behavioural (what it does)
• C. functional (body processes)

Question 14

Adaptations: which statement is NOT true?

• A. Cactus spines help it absorb water.
• B. Some bacteria are adapted to live in boiling hot springs.
• C. Hibernation is a behavioural adaptation.
• D. Thick blubber is a structural adaptation of seals.

Question 15

Emperor penguins huddle together in winter. What kind of adaptation is this and why does it help?

• A. it has no effect on heat loss
• B. behavioural: it reduces the surface exposed to the cold, cutting heat loss
• C. structural: it makes their feathers longer
• D. functional: it makes them produce venom

Question 16

What type of adaptation is this: a cactus's spines instead of leaves?

• A. structural (body shape or parts)
• B. behavioural (what it does)
• C. functional (body processes)