6th Grade Adaptations Lab / Darwin's Finches

A characteristic that makes an organism well suited to its environment is called a(n)?

• natural selection

• trait

• adaptation

• variation

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Which feature of the finches helped support Darwin's theory of Natural Selection?

• Finches had different beak shapes to suit their food source

• Finches had unusual reproductive behavior

• Finches changed features during their lifetime

• Finches were able to survive from predator attacks

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If flowers with longer roots are able to get more water from the ground which of the following would you expect to become more common after a period of drought?

• Flowers with short root systems

• Flowers with average root systems

• Flowers with the longest root systems

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If birds with short thick beaks are better at getting food in a specific environment, what do you expect the population to look like in 50 years?

• there will be no change in beak shape

• all of that species of birds will have died off

• most birds will have short thick beaks

• every bird will have short thick beaks

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Charles Darwin observed a unique beak size and shape in the finch population of each of the Galapagos Islands that he visited. Which is the most likely cause of the observed variation?

• differences in the climate among the islands

• competition among individuals for available food sources

• competition among individuals for desirable mates

• differences in egg size among the populations

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Natural selection is a process by which organisms that are better adapted to their environment tend to

• increase in size

• migrate

• evolve new traits

• survive

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what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?

• different species on different islands
• all species on one of the islands
• identical species on all the islands
• the same species as North America

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Which statement best describes the process of evolution?

• Populations can survive in different locations on earth
• Environmental conditions limit the number of species on Earth
• Populations grow when resources are abundant
• The traits of a species can change over time

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Natural selection can also be referred to as:

• Survival of the weakest
• Survival
• Survival of the fittest
• Artificial selection

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Why did the population of peppered moths in England change from light to dark after the Industrial Revolution?

• Light moths were easy to see against sooty trees and were eaten
• Light moths were killed by soot
• The birds that ate the dark moths were killed by soot
• Dark moths were produced by industrial processes

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