Biology - Evolution: Early Earth Practice Questions

C

The water used in the apparatus was used to mimic what part of early Earth? (Miller-Urey Experiment) A. sea B. swimming pool C. ocean D. rain

A

A scientist at a large natural history museum has a collection of fossils that were found throughout the world. Only a few of the fossils represent species that are still alive on Earth today. One reason for this is that A. most of the species that have ever lived on Earth are extinct B. fossils of only extinct species have been found C. species alive today will not form any fossils for future discovery by scientists D. most of the species that have ever lived on Earth are alive today

D

According to the theory of biological evolution, most present-day species of organisms A. developed from similar, smaller prehistoric organisms B. developed from fossils of the other organisms C. have always existed in the form they have today D. descended from earlier, different species of organisms

A

Evidence that best supports the theory of biological evolution was obtained from the A. study of fossil records B. investigation of environmental niches C. comparison of the number of cells in organisms D. analysis of food chains and food webs

B

In 2007, scientists broke open a fossil of a dinosaur bone and found some preserved tissues. Analysis showed that some proteins in these tissues are very similar to proteins found in modern chickens. The conclusion that these dinosaurs are related to modern chickens is based on A. similarities in behavior B. molecular similarities C. the occurrence of mutations D. natural selection

D

In order for a species to evolve, it must be able to A. maintain a constant body temperature B. consume a large quantity of food C. be domesticated D. reproduce successfully

C

Many scientists suggest that billions of years ago, life on Earth began with A. complex, single-celled organisms B. complex, multicellular organisms C. simple, single-celled organisms D. simple, multicellular organisms

C

The apparatus in the experiment was used to mimic what? (Miller-Urey Experiment) A. proteins B. Earth's present conditions C. early Earth's conditions D. they didn't mean to mimic anything in particular

B

The electrical sparks mimicked? (Miller-Urey Experiment) A. heat waves B. lightning C. volcano D. hurricane

D

The gas in the apparatus mimicked? (Miller-Urey Experiment) A. space B. time C. stars D. atmosphere

A

This experiment was conducted by the scientists: (Miller-Urey Experiment) A. Stanley Miller and Harold Urey B. Harold Urey and Albert Einstine C. Harrison Ford and Denzel Washington D. James Watson and Francis Crick

A

What was the result of the Miller-Urey Experiment? (Miller-Urey Experiment) A. amino acids B. nucleotides C. lipids D. glucose

C

Which one of the following statements is best supported by the theory of evolution? A. The fossil record provides samples of every organism that ever lived. B. Genetic alterations occur every time cell reproduction occurs. C. Populations that have advantageous characteristics will increase in number. D. Few organisms survive when the environment remains the same.

C

Which question were the scientists trying to answer with this experiment? (Miller-Urey Experiment) A. Where do cells come from? B. What came first the chicken or the egg? C. How are biomolecules formed? D. What gave rise to the Eukaryotic cell?