Multiple ChoiceWhich of the following can be learned about a species from studying their fossilized skeletons?135views
Multiple ChoiceWhich of the following best describes the type of information that fossils provide about the history of organisms on Earth?142views
Multiple ChoiceIf a fossil is determined to be 65 million years old, during which geological period did the organism most likely live?131views
Multiple ChoiceWhat trend in the complexity of life over time is observed through the fossil record?730views
Multiple ChoiceWhich type of fossil forms when minerals in water fill the spaces within an organism's remains, hardening into rock and preserving its shape?129views
Multiple ChoiceWhich of the following is an example of a biomarker found in the fossil record?135views
Multiple ChoiceWhat type of fossil dating technique would be most accurate for a trilobite from ~400 million years ago?1420views2rank
Multiple ChoiceApproximately how long ago do we find the first fossils of multi-celled organisms?160views
Multiple ChoiceWhich of the following patterns do scientists commonly identify in the fossil record?132views