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Middle School: 6th, 7th and 8th Grade
Biology
Adaptations For Survival
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Q.1
How does a cactus avoid being eaten by animals?
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It has spikes which prevent water loss by evaporation
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It has a thick fleshy stem which stores water
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It has deep roots to absorb as much water as possible
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It has spikes which hurt the animal
Q.2
Arctic animals have which adaptation to allow survival?
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Brown fur in the summer and white fur in the winter for camouflage
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Thick layer of fat so they can survive hibernation
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Small eyes and ears to keep out the cold
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Ability to swim faster than their prey
Q.3
Animals compete with each other for which of the following resources?
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A habitat
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A territory
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An ecosystem
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An adaptation
Q.4
Which of the following is a special adaptation for survival in desert plants?
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Larger surface area to volume ratio
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Reduced leaf surface area
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Thorns
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Increased number of stomata
Q.5
Microorganisms have to compete with each other for which of the following?
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A mate
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CO2
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Light
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Nutrients
Q.6
Which one of the following resources is the least likely to be a limiting factor for plants?
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Water
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Carbon dioxide
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Light intensity
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Temperature
Q.7
Animals can display features similar to those of poisonous animals, to deter predators. What is this known as?
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Marquetry
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Mimicry
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Mockery
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Minimalism
Q.8
Which of the following statements is true of extremophiles?
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Extremophiles are tolerant to high temperatures
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Extremophiles are intolerant to high pressure
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Extremophiles are tolerant to light intensity variations
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Extremophiles are intolerant to low salt levels
Q.9
In order to survive, plants need: light, space, nutrients, water and what else?
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Carbon dioxide
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Hydrogen
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Soil
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Glucose
Q.10
How does camouflage help an animal to survive?
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Helps it to thermoregulate
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Ensures that it blends in with the surroundings
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Makes sure that the predator or prey cannot see it
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Helps to cool it down
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