Eras of Earth's History

Earth's History

Review each of the slides and complete the necessary activities within the presentation.

Multiple Choice

The Law of Superposition helps scientists to determine what?

• The absolute age

• The relative age

• The age of fossils

• The super power of rocks

Multiple Choice

Which of the following layers is the oldest

• D

• C

• B

• A

Multiple Choice

The arrow is pointing to an igneous intrusion. Which layer is the oldest?

• 1

• 2

• 5

• 8

Multiple Choice

Which of the following is a way to find the relative age of rocks?

• Carbon Dating

• Radioactive Dating

• Index Fossils

• Petrified fossil

Multiple Choice

Scientists find dinosaur fossils in the bottom rock layers of a cliff and mammal fossils in the middle layer. Which could best be concluded from this evidence?

• Dinosaurs eat plants

• Dinosaurs eat mammals

• Dinosaurs came before mammals

• Mammals came before dinosaurs

Multiple Choice

Which type of fossil occurs when minerals soak into the remains and turn them into rocks?

• Cast

• Mold

• Petrified

• Trace

Multiple Choice

Which of the following is true?

• Eons are smaller than eras

• Eons are larger than eras

• Eras are smaller than epochs

• Epochs are the largest

Multiple Choice

The dinosaurs and reptiles were dominant in which era?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Multiple Choice

What are the four eras in order from oldest to youngest?

• Paleozoic, Mesozoic, Cenozoic, Precambrian

• Precambrian, Paleozoic, Mesozoic, Cenozoic

• Paleozoic, Precambrian, Mesozoic, Cenozoic,

• Precambrian, Paleozoic, Cenozoic, Mesozoic

Multiple Choice

How old do paleontologist believe Earth is?

• 2021 years old

• 4.5 million years old

• 4.5 billion years old

• 300 million years old

Multiple Choice

What era did earth formation occur?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Multiple Choice

Mammals are dominant in which era?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Multiple Choice

A researcher drills a cylindrical piece of ice from Russia. What might be the purpose of the scientist's actions?

• to calculate the average snowfall each year

• to find the kinds of plants that survived in Russia

• to investigate past climate and atmospheric conditions

• to study the minimum temperatures in which species can survive.

Multiple Choice

Which of the following plate tectonics creates mountains?

• Convergent

• Divergent

• Transform

Multiple Choice

Which of the following is when plates move away from each other.

• Convergent

• Divergent

• Transform

Multiple Choice

The belief that all the continents use to form one large supercontinent called Pangea but later moved due to plate tectonics is called...

• Divergent Boundary

• Pangea

• Continental Drift

• Ice Age

Multiple Choice

Which of the following is evidence for evolution but not a common ancestor

• Embryology

• Homologous Structures

• Analogous structures

• Vestigial Structure

Multiple Choice

A bat and bird wings are examples of analogous structures because

• They have the same structure but different function

• They have the same function but different structures

• They evolved from a common ancestor

• They have functional structures

Multiple Choice

The femur and pelvis in a whale are examples of vestigial structures because

• They have the same structure but different function

• They have the same function but different structures

• They evolved from a common ancestor

• They have functional structures

Multiple Choice

Which of the following can be determined by observing embryos that look nearly identical?

• The organisms share a common ancestor

• The organisms belong to the same genus

• The organisms are native to the same geological areas

• The organisms will grow into similar looking adults

Multiple Choice

Organisms must have variation within a population in order for natural selection to occur.

Which situation is an example of this variation?

• A frog living in a pond is eaten by a predator, while others in the same population survive.

• A snake living in a desert produces more offspring than other snakes in the same population.

• Some rabbits living in a forest have short, spotted ears, while others have long white ears

• Some birds living in a grassland eat less than other birds who eat the same food.