Ancient Rocks and Ecosystem Changes

Ancient Rocks and Ecosystem Changes

Assessment

Interactive Video

Biology, Science, Geography

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explores rocks formed 252 million years ago, revealing evidence of a massive die-off. As we examine these rocks, we learn about the vibrant marine ecosystem that existed and the sudden disappearance of life, indicating a mass extinction event. Despite no direct volcanic evidence in these rocks, the global impact of volcanic eruptions in the north of Pangaea is evident, causing life to vanish worldwide.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do the ancient rocks formed 252 million years ago primarily contain evidence of?

A massive volcanic eruption

A significant die-off

The formation of new species

A shift in tectonic plates

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How were the ancient rocks initially formed before becoming part of the mountains?

On a riverbed

On the ocean floor

In a desert environment

In a volcanic region

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do the diverse fossils in the rocks indicate about the ancient ecosystem?

It was a barren landscape

It was a vibrant marine ecosystem

It was dominated by dinosaurs

It was a dense forest

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary evidence found in the rocks that suggests a vibrant ecosystem existed?

Traces of ancient vegetation

Diverse marine fossils

Presence of volcanic ash

Layers of sediment

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What significant change occurs in the ecosystem as observed in the rock layers?

A shift to a desert ecosystem

The emergence of new species

A sudden disappearance of life

An increase in biodiversity

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How quickly did the diversity of life disappear according to the rock layers?

Over several thousand years

Over millions of years

Over a few hundred years

Instantaneously

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is surprising about the rocks in relation to volcanic activity?

They are formed from volcanic lava

They lack direct evidence of volcanic activity

They show clear evidence of volcanic eruptions

They contain volcanic ash layers

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