Variations and Survival in Populations

What is a variation within a population?

• A change in the environment.

• Differences in traits among individuals.

• A type of food that animals eat.

• A new species forming.

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How can variations in arm length benefit a population of monkeys?

• Longer arms can help reach food in tall trees.

• Shorter arms make it easier to swim.

• Arm length has no effect on survival.

• Longer arms make it harder to climb.

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Why might variations in the wing pattern of monarch butterflies be beneficial?

• They help butterflies fly faster.

• They make butterflies more attractive to predators.

• They can help with camouflage.

• They make butterflies heavier.

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In a cold environment, which variation might be advantageous for a population of animals?

• Thicker Fur

• Longer Tails

• Brightly Colored Skin

• Shorter Legs

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What is a disadvantage of having too much variation in a population?

• It can lead to more diseases.

• It can make it harder to adapt to a specific environment.

• It can cause the population to grow too fast.

• It can make individuals look too similar.

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How can variations help a population survive a sudden change in the environment?

• By making all individuals identical.

• Providing different traits might be beneficial.

• By reducing the number of individuals.

• By making the environment change back.

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Which of the following is an example of a variation in a plant population?

• .Identical flower colors.

• The same height for all plants.

• Different leaf shapes

• Uniform root length.

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What is one advantage of having variations in a population living in a diverse environment?

• It allows the population to exploit different resources.

• It makes the population more vulnerable to predators.

• It causes the population to become extinct.

• It reduces the population's ability to reproduce.

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In a desert environment, which variation might be beneficial for a population of animals?

• Ability to store water.

• Brightly colored fur.

• Short, thin legs.

• Large, flat feet.

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How can variations in a population lead to the development of a new species?

• By causing all individuals to become identical.

• By reducing genetic diversity.

• By making the population smaller.

• By allowing some individuals to survive and reproduce in different environments.

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