Multiple ChoiceWhich of the following can be learned about a species from studying their fossilized skeletons?23views
Multiple ChoiceWhich of the following best describes the type of information that fossils provide about the history of organisms on Earth?20views
Multiple ChoiceIf a fossil is determined to be 65 million years old, during which geological period did the organism most likely live?20views
Multiple ChoiceWhat trend in the complexity of life over time is observed through the fossil record?261views
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?19views
Multiple ChoiceWhich of the following is an example of a biomarker found in the fossil record?20views
Multiple ChoiceApproximately how long ago do we find the first fossils of multi-celled organisms?24views
Multiple ChoiceWhich of the following patterns do scientists commonly identify in the fossil record?22views