Bio 10.1 Environmental Impacts: Warm up Act.

1. What is one possible outcome when a species cannot adapt to changing environmental conditions?

• 1. Increased population

• 1. Migration

• 1. Extinction

• 1. Speciation

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1. Which of the following processes describes the emergence of a new species over time?

• 1. Evolution

• 1. Extinction

• 1. Competition

• 1. Speciation

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1. When resources are limited, what tends to happen to the population size of a species?

• It increases

• It stabilizes

• It decreases

• It remains unchanged

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1. What role does genetic variation play in the survival of a species?

• 1. Increases vulnerability

• Provides resilience

• 1. Causes extinction

• Encourages migration

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1. If two populations of a species are separated and adapt to different environments, what might occur over time?

• 1. Extinction

• 1. Genetic drift

• 1. Population boom

• 1. Speciation

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NGSS.HS-LS4-5

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Which of the following is an example of a change in the number of individuals of a species due to environmental conditions?

• A drought leads to a decrease in the frog population.
  

• A new predator species is introduced, causing an increase in prey.
  

• The extinction of a species due to overfishing.

•  Speciation occurring over thousands of years.

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NGSS.HS-LS4-5

How can varying environmental conditions lead to the extinction of a species?

• By increasing food resources.

• By creating a new habitat.

• By altering the species’ genetic makeup.
  

• By introducing a disease that the species cannot adapt to.

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NGSS.HS-LS4-5

Which of the following scenarios best illustrates natural selection?

• All members of a species survive and reproduce equally.
  

• A new species forms overnight.
  

• A species gradually adapts to colder temperatures over generations.
  

• A species is unaffected by environmental changes.

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An example of an environmental factor that could lead to the emergence of a new species is:

• Stable climate conditions.

• An increase in population density.

•  Constant food supply.

•  Isolation of a species due to geographical barriers.

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NGSS.HS-LS4-5

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Which process is most likely to occur when two populations of the same species become geographically isolated?

• Gradual speciation due to different environmental pressures.
  

• Immediate extinction of one population.
  

•  Increase in genetic diversity within the same species.

• Instant adaptation to new environments.

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