Semester 2 Preview

A fossil is ____________.

• evidence of past life
• part of the fossil record
• found in sedimentary rock
• all of the above

Tags

NGSS.MS-LS4-1

Which of the following is a method of determining the absolute age of an object by comparing the relative percentages of a radioactive (parent) isotope and a stable (daughter) isotope?

• radiometric dating
• uniformitarionism
• law of superposition
• paleontology

Tags

NGSS.HS-PS1-8

The age of an object in relation to the ages of other objects is known as what?

• relative age
• absolute age
• half-life
• unconformity

What is the scientific study of fossils called?

• uniformitarianism
• unconformity
• paleontology
• radiometric dating

What is a fossilized mark that formed in sedimentary rock by the movement of an animal on or within soft sediment called?

• index fossil
• fossil
• trace fossil
• varve

According to the law of superposition, which layer is the youngest?

• A
• B
• C

Tags

NGSS.MS-ESS1-4

Which era is the longest?

• Cenozoic
• Cambrian
• Precambrian
• Phanerozoic

Tags

NGSS.MS-ESS1-4

Paleontologists infer that the earth is approximately how many years old?

• 4.5 million years
• 450 million years
• 450 billion years
• 4.5 billion years

Tags

NGSS.MS-ESS1-4

Which organism first appeared in the Mesozoic?

• Trilobites
• Dinosaurs
• Cyanobacteria
• Humans

Tags

NGSS.MS-LS4-1

Which era are we in now?

• Precambrian
• Mesozoic
• Paleozoic
• Cenozoic