A scientist studied sedimentary rock samples from the Devonian period. He claimed he found mammal fossils mixed with amphibian fossils. Which response to the scientist’s claim is most supported by the chart?

Devonian rocks would not contain mammal fossils, because mammals appeared in later time periods.

Devonian rocks are too old to contain amphibian fossils.

Finding fossils of any kind in rocks from the Devonian period is unusual.

Mammal fossils and amphibian fossils will not be found in Devonian rocks, because the two types of animals live in different habitats.

What is the fossil record?

All the fossils ever discovered on Earth

a chart that divides Earth’s history into different time units.

when the last individual organism of a species dies

fossils that have characteristics of both ancestral organisms and organisms that evolved

What is the geologic time scale?

a chart that divides Earth’s history into different time units.

All the fossils ever discovered on Earth

when the last individual organism of a species dies

fossils that have characteristics of both ancestral organisms and organisms that evolved

when the last individual organism of a species dies

All the fossils ever discovered on Earth

a chart that divides Earth’s history into different time units.

fossils that have characteristics of both ancestral organisms and organisms that evolved

What are Transitional Fossils?

fossils that have characteristics of both ancestral organisms and organisms that evolved

All the fossils ever discovered on Earth

a chart that divides Earth’s history into different time units.

when the last individual organism of a species dies

Which is an example of a sudden change that could explain the extinction of a species?

a mountain range isolates a spices

Which of these cases provides embryological evidence that two species share a common ancestor?

two different species with similar patterns of early development

two species with very similar DNA

two species with different body structures

two species with different structures that have similar functions

What role does evolution play during the Cenozoic Era?

Evolution led to a greater diversity of living things, including humans.

Evolution caused the extinction of the dinosaurs.

Evolution did not play a role during the Cenozoic Era.

Evolution led to mass extinctions, including many primate species.

Which sentence best describes the process of relative dating?

Younger fossils are on top of older fossils.

Older fossils are on top of younger fossils.

Radioactive elements help determine the age of the fossil.

Fossils are dated by comparing them with living descendants.

Which statement best describes dinosaurs?

Dinosaurs died out because of a mass extinction at the end of the Mesozoic Era.

Dinosaurs evolved into other animals during the Cenozoic Era.

Dinosaurs died out because of natural causes during the Paleozoic Era.

Dinosaurs died out because of natural causes and a mass extinction during the Paleozoic Era.

Which factor best explains why classification systems change over time?

increased knowledge of genetics leads to reclassification

changing environments lead to reclassification

increased plant species leads to reclassification

changes in food sources leads to reclassification

A nature magazine runs an article about the classification of animals. Included in the article is the following table. Which of the following can you conclude by studying the table?

The organisms share a common ancestor.

The organisms lack any shared DNA.

The organisms all belong to a different genus.

The organisms all belong to the Domain Archaea.

How are members of Domain Eukarya different from members of Domain Archaea and Domain Bacteria?

Members of Domain Eukarya have cells with membrane-bound organelles, and members of Domain Archaea and Domain Bacteria lack nuclei.

Members of Domain Eukarya are less complex than the members of Domain Archaea and Domain Bacteria.

Members of Domain Archaea and Domain Bacteria are multicellular, and members of Domain Eukarya are usually single-celled organisms.

Members of Domain Bacteria and Domain Archaea have structures for making their own food, and members of Domain Eukarya lack these structures.

Katya listed major questions that scientists try to answer when they classify organisms. Her list included the following questions: How many living things are there? What are the characteristics that define living things? What additional question would be best for Katya to add to her list about classification?

How do living things get energy?

What do living things need to survive?

Where do living things make their home?

What are the four eukaryotic kingdoms?

Animalia, Fungi, Plantae, Protista

Animalia, Bacteria, Fungi, Plantae

Archaea, Animalia, Bacteria, Plantae

Archaea, Bacteria, Fungi, Protista

Evolution and Fossils

Authored by Charles Martinez

Science

8th Grade

NGSS covered

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31 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an undisturbed rock formation, the rocks on the bottom are the oldest.

True

False

Tags

NGSS.MS-ESS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of dating scale is shown on the left side of the figure?

Relative Age Dating Scale

Absolute Age Dating Scale

Tags

NGSS.MS-ESS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of dating scale is shown on the right side of the figure?

Relative Age Dating Scale

Absolute Age Dating Scale

Tags

NGSS.MS-ESS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a fossil?

outline of a fern found in a rock

petrified wood in the desert

baby mammoth found in a glacier

old stone tools found in a cave

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the trash can in Isaac’s room, there were many wrappers from snacks. At the bottom of the trash, there was a candy bar wrapper. In the middle, there was a piece of plastic from a slice of cheese. On top of the rest of the trash is a granola bar wrapper.

Assuming the trash has never been mixed up, which snack did Isaac eat the longest ago? Which type of dating did you use to answer?

the granola bar; absolute-age dating

the granola bar; relative-age dating

the candy bar; absolute-age dating

the candy bar; relative-age dating

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When the last individual of a species dies, that species is considered ____

adapted

rare

extinct

evolved

Tags

NGSS.MS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Change in a population over time is called _____.

conservation

evolution

extinction

mutation

Tags

NGSS.MS-LS4-4

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Evolution and Fossils

In an undisturbed rock formation, the rocks on the bottom are the oldest.

What type of dating scale is shown on the left side of the figure?

What type of dating scale is shown on the right side of the figure?

Which of the following is NOT a fossil?

When the last individual of a species dies, that species is considered ____

Change in a population over time is called _____.

Order the fossils according to their relative age from oldest to youngest.

A scientist studied sedimentary rock samples from the Devonian period. He claimed he found mammal fossils mixed with amphibian fossils.

Which response to the scientist’s claim is most supported by the chart?

What term do scientists use to describe what happened at each of the marked points on the graph?

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