Scan 11

13. Carbon-l 4, an isotope used to date recent organic remains, would most likely be useful in determining the age of a fossil (1) trilobite

(3) armored fish

(2) Coelophysis

(4) Beluga whale

14. Studies of the fossil record found in Utah indicate that (1) variations within a species can be observed, measured, and described (2) variations within a species have had little effect upon the survival ofthe species (3\ , J few of the species of plants and ilil'limalsthat existed have become extinct (4) there is no evidence for evolutionary development among the different fossil speCies

18. Which diagram represents a la.'1dscape where fine-grained igneous bedrock is most likely to be found? (1)

(2)

15. What do most igneous, sedimentary, and metamorphic rocks have in common? (1) They are formed from molten material.

(4)

(2) They are produced by heat and pressure. (3) TIley are composed of minerals. (4) They exhibit crystals, banding, and distinct layers. 16. How are the minerals biotite mica and muscovite mica different? (1) Biotite mica is colorless, but muscovite mica is not, (2) Biotite mica contains iron and/or magnesium, but muscovite mica does not. (3) , Muscovite mica scratches quartz, but biotite mica does not. (4) Muscovite mica cleaves into thin sheets, but biotite mica does not. /

17. Which sedimenta.ry rocks are formed by chemical precipitation from seawater? ) gypsum a.'1dlimestone (2) fossil limestone and shale (3) sandstone a.l'ldsiltstone conglomerate and dolostone

19. Most N ew York State sandstone bedrock was formed (1) in Earth's interior where temperatures . , exceeded the melting point of quartz (2) on Earth's surface from the cooling of molten lava in a delta from sand grains deposited, buried, and cemented together by minerals in a desert when heat and metamorphic pressure caused quartz crystals to fuse together 20. One cha...racteristicused to classifY landscape regions as plains, plateaus, or mountains is (l) type or soil (2) ammult of stream discharge (3) \veathering rate underlying bedrock structure

April Review 2009