Podcast
Questions and Answers
What is the main type of rocks used by Paleontologists and Geologists to discover ancient life forms?
What is the main type of rocks used by Paleontologists and Geologists to discover ancient life forms?
- Sedimentary rocks (correct)
- Igneous rocks
- Metamorphic rocks
- Volcanic rocks
Which era of the Geologic Time Scale began with the Cambrian Explosion and saw the rise of more complex animals in the oceans?
Which era of the Geologic Time Scale began with the Cambrian Explosion and saw the rise of more complex animals in the oceans?
- Mesozoic Era
- Proterozoic Era
- Paleozoic Era (correct)
- Archean Era
During which era did smaller mammals survive and become dominant, marking the final era on the Geologic Time Scale?
During which era did smaller mammals survive and become dominant, marking the final era on the Geologic Time Scale?
- Cenozoic Era (correct)
- Mesozoic Era
- Proterozoic Era
- Paleozoic Era
What is the span of the Precambrian Era in terms of years?
What is the span of the Precambrian Era in terms of years?
What type of organisms were mainly present during the Precambrian Era?
What type of organisms were mainly present during the Precambrian Era?
Which era is known for the age of dinosaurs, where herbivores thrived and small mammals began to emerge?
Which era is known for the age of dinosaurs, where herbivores thrived and small mammals began to emerge?
What process of fossilization involves hard parts being dissolved and replaced by other minerals like calcite, silica, pyrite, or iron?
What process of fossilization involves hard parts being dissolved and replaced by other minerals like calcite, silica, pyrite, or iron?
Which type of fossilization involves the conversion of hard parts into more stable minerals or small crystals into larger ones?
Which type of fossilization involves the conversion of hard parts into more stable minerals or small crystals into larger ones?
How many ways of fossilization are mentioned in the text?
How many ways of fossilization are mentioned in the text?
Which method of dating fossils compares them to something for which an age is already known?
Which method of dating fossils compares them to something for which an age is already known?
What is the purpose of knowing the age of fossils according to the text?
What is the purpose of knowing the age of fossils according to the text?
Which process of fossilization involves molds and casts being formed after most of the organisms have been destroyed or dissolved?
Which process of fossilization involves molds and casts being formed after most of the organisms have been destroyed or dissolved?
What are index fossils used for in relative dating?
What are index fossils used for in relative dating?
Why can carbon-14 only be used to date fossils younger than about 75,000 years?
Why can carbon-14 only be used to date fossils younger than about 75,000 years?
What type of dating considers the half-life of radioactive isotopes?
What type of dating considers the half-life of radioactive isotopes?
Why can faulting and tilting of rocks complicate relative dating using index fossils?
Why can faulting and tilting of rocks complicate relative dating using index fossils?
What makes Potassium-40 ideal for dating older rocks and fossils?
What makes Potassium-40 ideal for dating older rocks and fossils?
Which type of dating involves studying the specific age span a fossil existed in?
Which type of dating involves studying the specific age span a fossil existed in?
