Evolution Test Review

Different types of evidence support the scientific theory of evolution. The diagrams below show the skeleton of two different animal species. How does comparing the skeletons of these animals provide support for the scientific theory of evolution?

• It provides information about the organisms’ habitats
• It provides information to determine the organisms’ age.
• It shows possible common ancestry between organisms
• It shows possible chromosomal similarities between organisms.

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The males of a bird species do a “dance” and “sing a song” each spring. What is the main purpose of these behaviors?

• To imprint young birds
• To clean their feathers
• To attract female birds
• To scare off young birds

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A large population of cockroaches was sprayed with an insecticide. A few of the cockroaches survived and produced a population of cockroaches that was resistant to this spray. What can best be inferred from this example?

• Insecticides cause mutations that are passed onto the next generation
• A species will adapt no matter what the environment
• The environment has no effect on the survival of an organism
• Individuals with favorable variations survive and reproduce.

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This diagram shows a cladogram of six species based on amino acids similarities. Which two species are the least related?

• 1 and 2
• 2 and 4
• 1 and 5
• 5 and 6

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Which will most likely cause variations to occur within a species?

• Competition
• Mutation
• Mutualism
• Predation

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In which population does genetic drift most often occur?

• In small population
• In marine populations
• In terrestrial populations
• In large population

The diagram below shows a phylogenetic tree for animals. Which two groups of organisms have the most genetic similarities?

• Mollusks and Roundworms
• Mollusks and Arthropods
• Echinoderms and Chordates
• Sponges and Flatworms

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NGSS.MS-LS4-2

More than 1.5 million species of animals have been described, yet all of them have DNA that is made of the same building blocks. This is evidence that all animals have

• a common ancestor
• identical fossils
• similar appearances
• the same DNA sequences

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In comparisons of the evolutionary relationships between four species of birds, which of the following would be most useful?

• color of feather
• gene sequences
• nesting behaviors
• patterns of migration

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Along the Pacific of North America, there are at least seven subspecies of salamanders (Ensatina eschscholtzii). All of them descended from a common ancestral population. As the subspecies spread, subpopulations adapted to their local environments. Which of the following MUST have increased as a result of these adaptations?

• the number of chromosomes in each salamander
• the size of each salamander in the total population
• the biodiversity of the total salamander population
• the number of offspring produced by each salamander

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