4-30 Q: Environmental Impact

How could features like mutation, adaptation, and camouflage help an organism survive?

• By allowing it to live longer without food or water

• By helping it to attract mates and reproduce

• By enabling it to better avoid predators and adapt to its environment

• By making it stronger and able to fight off diseases

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How is "biodiversity" defined?

• The conservation efforts to protect wildlife

• The number of individuals in a population

• The variety of life in the world, a habitat, or an ecosystem

• The genetic variation within a species

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What was the dominant moth coloration in Manchester, England before the Industrial Revolution?

• Dark-colored moths

• Light-colored moths

• Red-colored moths

• No moths were present

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What caused the shift in moth population dominance from light-colored moths to dark-colored moths during the Industrial Revolution?

• The introduction of new moth species

• The change in the color of the trees due to pollution

• A natural disaster that affected light-colored moths

• The preference of people for dark-colored moths

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NGSS.MS-LS2-4

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What happened to the trees as a result of the Industrial Revolution according to the text?

• Trees grew larger leaves

• Lichens on trees died and soot covered the trees

• Trees became immune to diseases

• Trees changed their color naturally

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What does the term "abundant" mean in the context of environmental impacts?

• A small quantity

• A large quantity

• Having no living members

• The range of conditions an organism can withstand

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Define "tolerance" as it relates to organisms in an environmental context.

• A large quantity

• Having no living members

• The range of conditions an organism can withstand

• A small quantity

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According to the pollution tolerance levels of water organisms, which organism is found in heavy pollution levels?

• Stonefly nymph

• Dragonfly nymph

• Worm (tubifex)

• Mayfly nymph

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What do you notice about the number of insects present as the pollution increases?

• The number of insects increases

• The number of insects decreases

• The number of insects remains the same

• The number of insects is not related to pollution levels

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Can you gauge the health of an ecosystem just by looking at it?

• Yes, because visual observation can always accurately indicate the health of an ecosystem.

• No, because visual observation alone may not reveal all the underlying issues or health of an ecosystem.

• Yes, because ecosystems that look unhealthy are always unhealthy.

• No, because ecosystems that look healthy are always healthy.