- What is the smallest biological unit that can evolve over generations?a. Populationb. Speciesc. Celld. Ecosysteme. Organismf. None of the above
- The first genetic material on Earth was probably ________.a. DNA produced by reverse transcriptase from abiotically produced RNAb. DNA molecules whose information was transcribed to RNA and later translated in polypeptidesc. self-replicating RNA moleculesd. oligopeptides located within protocells
- The most accurate method used to measure the age of a fossil is ______________.a. determining the ratio of isotopesb. determine which strata they are found inc. use uranium-238d. use whole-life decaye. sequence their DNAf. compare them to other fossils
- A characteristic that can help an organism survive & reproduce better than other individuals of its species is:a. Analogous Structureb. Adaptationc. Specializationd. Homologous Structuree. A and Bf. A and B and Cg. All of the above
- Which of the following statements about Darwin following the voyage of the HMS Beagle is incorrect?a. Darwin thought individuals variedb. Darwin thought the Earth was a few thousand years oldc. Darwin thought fossils, in a given area, were similar to the animals that were still living thered. Darwin thought organisms produced many offspringe. Darwin thought few offspring of a pair survived
- A whale fin and a bat wing are considered analogous structures since they have different functions.
- Which of the following is the correct sequence of events in the origin of life?I.Formation of protocellsII.Synthesis of organic monomersIII.Synthesis of organic polymersIV.Formation of DNA-based genetic systems
- How does continental drift explain the uniqueness of Australian fauna?a. Marsupials fill the same ecological niche as eutherians on other continents.b. Fossil evidence suggests that marsupials originated in Asia and reached Australia via South America.c. The breakup of Pangea separated the southern continents to form islands of marsupials.d. In Australia, marsupials diversified, and eutherians became extinct.
- How was early Earth from more than three billion years ago different from today's Earth? Unlike Earth today, early Earth ________.a. had an atmosphere rich in gases released from volcanic eruptionsb. had an oxidizing atmospherec. experienced little high-energy radiation from the sund. had an atmosphere with significant quantities of ozone
- The finches on the Galapagos Islands adapted to the food available.
- There is a debate about whether protocells developed in marine or fresh water.
- Which of the following is a defining characteristic that all protocells had in common?a. the ability to synthesize enzymesb. a surrounding membrane or membrane-like structurec. RNA genesd. the ability to replicate RNA
- The duplication of homeotic (Hox) genes has been significant in the evolution of animals because it ________.a. permitted the evolution of novel formsb. caused the extinction of major groupsc. reduced morphological diversity into simpler forms of lifed. allowed animals to survive on significantly fewer calories
- Which of the following statements about Lamarck is/are accurate? (Select all that apply)a. Lamarck thought evolution had occurredb. Lamarck's proposed that individuals evolve by the principle of use and disuse of traitsc. Lamarck was wholly wrongd. Lamarck published his ideas only after Darwin published his
- Natural selection is a process in which individuals that have certain favorable inherited traits tend to reproduce at higher rates than other individuals because of those traits.
- Darwin took a trip around the world with George Cuvier.
- Evolution is a very slow process that usually happens over millions of years.
- Endemic species are only found on islands
- Paleontology helped lay the groundwork for Darwin's ideas.
- Before Darwin, it was thought that life was created by God and that:a. Humans were superior to all other organismsb. Other organisms were to be used for the purpose of humansc. All creatures were perfectd. Every organism had medical purposes for humans