Exploring Evidence of Evolution and Cladograms

What is the process called when a species changes enough to be considered a new species?

• Macroevolution

• Adaptation

• Microevolution

• Mutation

What is the minimum age for a biological remain to be considered a fossil?

• 10,000 years

• 100,000 years

• 1 million years

• 1,000 years

Which type of fossil is formed from tree sap?

• Petrified wood

• Cast

• Amber

• Mold

Which dating method involves layers of sedimentary rock to determine the age of fossils?

• Absolute dating

• Carbon dating

• Relative dating

• Isotopic dating

What does the geological time scale help scientists understand?

• Solar system formation

• The age of rocks

• Chemical composition of minerals

• Evolution of species

What marks the beginning of the Mesozoic era in terms of years ago?

• 248 million years ago

• 65 million years ago

• 500 million years ago

• 150 million years ago

Which era is known for the significant evolution of dinosaurs?

• Neozoic

• Paleozoic

• Mesozoic

• Cenozoic

What does biogeographical evidence suggest about species on separated continents?

• No significant changes occur

• Species show unique evolutionary paths

• Species evolve similar traits

• Species are less diverse

What is the significance of homologous structures in evolutionary biology?

• They indicate common ancestry

• They are not important for evolution

• They have no genetic similarities

• They result from different environments

What does a cladogram illustrate about evolutionary relationships?

• Direct lineage without branching

• Similarities in non-related species

• Random mutations in DNA

• Evolutionary history and relationships