8.E.2.1
Quiz by Beth Hall
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17 questions
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- Q1Which of the following is the BEST definition of a fossil?the preserved remains or traces of an organism that lived in the pastplants, trees, and insects that are preserved in ambera preserved organism found in rocka body part of an animal that has been buried for many years30s
- Q2Which of the following are types of fossils?mold, cast, oxygenizedpetrified, ashmold, cast, carbonizedtrace, mold, mineralized30s
- Q3This type of fossil forms when a mold is filled with sand or mud and hardens into the shape of the organismmold fossilpreserved fossiltrace fossilcast fossil30s
- Q4This type of fossil forms when organisms or parts of organisms are pressed between layers of soft mud or clay that hardens squeezing almost all the decaying organism away, leaves behind a carbon imprint in a rockcarbonized fossilmold fossilcast fossiltrace fossil30s
- Q5This type of fossil forms when sediments bury an organism and sediments change into rock, leaving a cavity in the shape of the organismpetrified fossilcast fossilmold fossiltrace fossil30s
- Q6This type of fossil forms when the mud or sand hardens to stone where a footprint, trail or burrow of an organisms was left behindtrace fossilmold fossilcast fossilcarbonized fossil30s
- Q7This type of fossil forms when minerals soak into buried remains, replacing the remains and changing them into rockpreserved fossilpetrified fossilcast fossilmold fossil30s
- Q8This type of fossil forms when entire organisms are prevented from decaying by being trapped in rock, ice, tar, or ambercast fossilpetrified fossilpreserved fossilpermineralized fossil30s
- Q9What happens at the end of each era of the geologic time scale?plants die outa mass extinction occursanimals evolvedinosaurs appear30s
- Q10What is the BEST definition of an era?a mistakea long and distinct period of history with a particular feature or characteristica long period of history that lasts hundreds of yearsa period of time on the geologic time scale30s
- Q11Which characteristics belong to the precambrian era?first era, formation of sun, earth, atmosphere, oceans, lifejellyfish, flowering plants, middle erafirst era, many seed plants, reptiles commonreptiles, formation of ocean, sun, and volcanoes30s
- Q12Which characteristics belong to the paleozoic era?early land plants, jellyfish, sea worms, dinosaursmass extinction caused disappearance of dinosaurssmall mammals, birds, flowering plants, not many fossils remainearly land plants, early invertebrates, seed plants, mass extinction caused most marine invertebrates and amphibians to disappear30s
- Q13Which characteristics belong to the mesozoic era?reptiles dominant, humans appeared, seed plantssmall mammals, jellyfish and invertebrate sea life, creation of oceanflowering plants most common, humans appeared, extinction of dinosaursreptiles dominant, small mammals, birds, increase in mammal types, extinction of dinosaurs30s
- Q14Which characteristics belong to the cenozoic era?reptile dominant, decrease in life form diversity, humansseed plants, dinosaurs, marine invertebratesnew mammals appeared, increase in life form diversity, flowering plants, humansextinction of dinosaurs, increase in small mammals, birds30s
- Q15Across geologic time, the diversity of life-forms increases and the _______________ of life forms increases.typevariationsizecomplexity30s