Compartive Anatomy/Genetic Diversity
Quiz by Lakresha McLean
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16 questions
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- Q1Which of these characteristics best help scientists classify organims?sizestructure30s
- Q2Which process is most responsible for the extinction of most species of plants and animals that have lived on Earth?environmental changesgene mutation30s
- Q3What would cause a fox's fur to change colorHis genesHis age30s
- Q4Which would indicate that a series of fossils represent the evolution of a horse?All of the fossils show similar structures to that of the modern horseAll of the fossils are identcal to horse bones30s
- Q5Scientists think that dolphins and whales may have evolved from a common ancestor. What supports this?They have similar anatomiesThey eat the same food30s
- Q6Which would best allow a species to survive environmental changes?low mutation rategenetic diversity30s
- Q7What can be concluded about homologous structures?They share a common ancestorThey live in the same habitat30s
- Q8Evolution can best be described as which type of change?Gradual changeAbsolute change30s
- Q9Which is true about fossils?They are most often found in igneous rock formationsThey are remains of organisms that lived on Earth30s
- Q10Why are bird beaks shaped differently?To find a mateTo obtain food30s
- Q11How are fossils compared to one another for biological classification?By their sizeBy similarities and differences in their body structures30s
- Q12What do scientists most often use to form the basis for biological classification?Comparative anatomyPopulation size30s
- Q13Which best describes the relationship between genetic variation and the ability to adapt to one's environment?As genetic variation increases, the abiity to adapt increasesAs genetic variation increases, the ability to adapt decreases30s
- Q14Which best describes an inherited trait that gives an organism a survival advantage in its particular environment?A mutationAdaptation30s
- Q15Which would most likely cause an entire species to become extinct?limited genetic variationdisease30s