8.E.2.2

8.E.2.2

8th Grade

60 Qs

quiz-placeholder

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8.E.2.2

8.E.2.2

Assessment

Quiz

Science

8th Grade

Hard

Created by

Norman Mitchell

Used 2+ times

FREE Resource

60 questions

Show all answers

1.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

Scientists estimate that if index fossils were deposited during a certain time frame, then the entire rock layer was also deposited at the same time. A scientist finds Trophite fossils. According to the chart above, in what era and period was this rock layer deposited? (a)  

Mesozoic era; Triassic period
Cenozoic era; Tertiary period
Paleozoic era; Permian period
Paleozoic era; Mississippian period

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Scientists discovered fossils of different organisms in some layers of rock. Organism 5 was discovered in the uppermost layer. The scientists wanted to determine if Organism 5 was related to other organisms found in older layers of rock. They compared physical traits and DNA similarities from all the fossils. Some of their results are shown in the table. Based on the table, which organism is MOST likely an ancestor of Organism 5?

Organism 4

Organism 1

Organism 2

Organism 3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Scientists theorize that the ancient animal on the left is related to the modern animal on the right and has gone through many changes over time. How did the scientists conclude that the animal changed over time?

by examining fossil records

by learning about natural selection

by studying deposition of sediments

by observing different types of rock formations

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A scientist drew some diagrams of ancestors of elephants based on fossil evidence. Which is the BEST conclusion that can be made from comparing the diagrams?

Elephant species have changed over time.

Ancient elephants were better adapted than modern elephants.

Elephant habitats have remained the same over time.

Elephant fossil evidence is widespread and complete.

5.

DROPDOWN QUESTION

1 min • 1 pt

Media Image

The picture shows an ammonite fossil on the left. On the right, it shows how the animal may have looked 160 million years ago. According to the ammonite’s characteristics, which modern animals would MOST likely be the relatives of ammonites? (a)  

squids and octopi
whales and porpoises
lizards and turtles
shrimp and crabs

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This photograph of a canyon wall shows several layers as indicated by the arrows. Which distinction between these rock layers is indicated by the relative positions of the rock layers in the canyon wall?

their rate of erosion

their composition

which types of organisms can live among them

which forces of erosion are acting on them

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The diagram shows the front limbs of four different members of the horse family, based on the fossil record. They are arranged from the oldest to the most recent. Which BEST describes how the front limbs of horses have changed over time?

The toes have reduced in number.

They have gained additional toes.

The bones have become stronger.

The bones have become shorter.

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