Ch 17 Review Game Scientists who specialize in

Scientists who specialize in the study of fossils are called • • • A

Sedimentary rocks form when layers of small particles are compressed • • • A

Radioactive dating of rock samples • • • A Is a method of absolute

Half-life is the length of time required for half the atoms in a radioactive

Earth’s first atmosphere contained little or no • • • A Hydrogen cyanide B

In Miller and Urey’s experiments with the origin of life-forms, electric sparks were passed

Outlines of ancient cells that are preserved well enough to identify them as prokaryotes

Which event occurred at the end of the paleozoic era? • • • A

The process that produces a similar appearance among unrelated groups of organisms is •

As a group, the large-scale evolutionary changes that take place over long periods of

Which of the following is characteristic of an index fossil? I. Distinctive species II.

In which geologic era do you live? • • • A Cenozoic B Mesozoic

The endosymbiotic theory includes all of the following EXCEPT • A Photosynthetic prokaryotes evolved

Which of the following is evidence for the endosymbiotic theory? I. Mitochondria and chloroplasts

While the planet was in a melted state, the most dense elements formed Earth's

Most fossils form in • • • A rusty water B volcanic rock C

To be useful as an index fossil, a species must have existed for a

Miller and Urey’s experiments attempted to demonstrate • A how Earth first formed •

The endosymbiotic theory proposes that eukaryotic cells arose from • • • A individual

When oxygen was first released int eh early seas, it combined with iron to

Which of these facts about mitochondria and chloroplasts constitute(s) support for the endosymbiotic theory?

The process by which two species, for example, a flower and a pollinating insect,

A single species that has evolved into several different forms that live in different

One way master control genes, or hox genes, could have affected evolution is •

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Ch. 17 Review Game

Scientists who specialize in the study of fossils are called • • • A Biologists B Paleontologists C Zoologists D Anthropologists Ans: B

Sedimentary rocks form when layers of small particles are compressed • • • A In the atmosphere B In a snow field C In mountains D Under water Ans: D

Radioactive dating of rock samples • • • A Is a method of absolute dating B Is a method of relative dating C Forms a geologic column D Forms a geologic time scale Ans: A

Half-life is the length of time required for half the atoms in a radioactive sample to • • • A Decay B Double C Expand D Be created Ans: A

Earth’s first atmosphere contained little or no • • • A Hydrogen cyanide B Hydrogen sulfide C Nitrogen D Oxygen Ans: D

In Miller and Urey’s experiments with the origin of life-forms, electric sparks were passed through a mixture of gases to • • • A Simulate temperature B Simulate sunlight C Sterilize the gases D Simulate lightning Ans: D

Outlines of ancient cells that are preserved well enough to identify them as prokaryotes are • • • A Microfossils B Heterotrophs C Autotrophs D Phototrophic Ans: A

Which event occurred at the end of the paleozoic era? • • • A Coevolution B Mass extinction C Punctuated equilibrium D Convergent evolution Ans: B

The process that produces a similar appearance among unrelated groups of organisms is • • • A Adaptive radiation B Coevolution C Convergent evolution D Mass evolution Ans: C

As a group, the large-scale evolutionary changes that take place over long periods of time are called • • • A Macroevolution B Coevolution C Convergent evolution D Geologic time Ans: A

Which of the following is characteristic of an index fossil? I. Distinctive species II. Lived in a wide geographic range III. Lived for a long period of time A. I only B. II only C. I and II only D. II and III only Ans: C

In which geologic era do you live? • • • A Cenozoic B Mesozoic C Cambrian D Precambrian Ans: A

The endosymbiotic theory includes all of the following EXCEPT • A Photosynthetic prokaryotes evolved into chloroplasts • B Aerobic prokaryotes evolved into mitochondria • C Eukaryotic cells arose from the merging of different prokaryotic organisms • D All organelles evolved from specialized enfoldings of the plasma membrane • Ans: D

Which of the following is evidence for the endosymbiotic theory? I. Mitochondria and chloroplasts contain DNA similar to bacterial DNA II. Mitochondria and chloroplasts contain ribosomes that differ from bacterial ribosomes III. Mitochondria and chlorplasts reproduce by binary fission a. I only b. II only c. I and III only d. II and III only Ans: C

While the planet was in a melted state, the most dense elements formed Earth's • • • A crust B core C oceans D atmosphere Ans: B

Most fossils form in • • • A rusty water B volcanic rock C sedimentary rock D the sap of ancient trees Ans: C

To be useful as an index fossil, a species must have existed for a • • • A long period over a wide geographic range B long period over a small geographic range C short period over a wide geographic range D short period over a small geographic range Ans: C

Miller and Urey’s experiments attempted to demonstrate • A how Earth first formed • B whether DNA or RNA evolved first • C whether organic molecules could have formed before life was present • D how the deepest part of the Earth was formed. • Ans: C

The endosymbiotic theory proposes that eukaryotic cells arose from • • • A individual prokaryotic cells B multicellular prokaryotes C communities formed by prokaryotes D communities formed by eukaryotes Ans: C

When oxygen was first released int eh early seas, it combined with iron to form • • • A RNA B DNA C proteins D rust Ans: D

Which of these facts about mitochondria and chloroplasts constitute(s) support for the endosymbiotic theory? • A Their DNA resembles bacterial RNA • B Their ribosomes resemble the ribosomes of bacteria • C They have organelles that are found within plant cells • D all of the above • Ans: D

The process by which two species, for example, a flower and a pollinating insect, evolve in response to changes in each other over time • • • A convergent evolution B adaptive radiation C coevolution D punctuated equilibrium Ans: C

A single species that has evolved into several different forms that live in different ways has undergone • • • A adaptive radiation B coevolution C punctuated equilibrium D mass extinction Ans: A

One way master control genes, or hox genes, could have affected evolution is • A by causing mutations in other genes within the genome • B through small changes during embryonic development that led to different body plans • C through the coevolution of species • D by leading to convergent evolution • Ans: B