Fossils: Evidence for Evolution and Extinction

Fossils: Evidence for Evolution and Extinction

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Biology, Geography, Science

University

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The video explores the theory of evolution by natural selection, proposed by Charles Darwin, and supported by evidence such as the fossil record and antibiotic resistance. It explains how fossils form through various processes and their role in understanding evolution. The fossil record, though incomplete, provides insights into the changes in organisms over time. The video also discusses extinction, highlighting factors like environmental changes, new predators, diseases, and competition that contribute to species extinction.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who proposed the widely accepted theory of evolution by natural selection?

Albert Einstein

Isaac Newton

Charles Darwin

Gregor Mendel

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a way fossils can be formed?

Preservation in amber

Preserved traces

Mineral replacement

Photosynthesis

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of fossil is formed when parts of organisms are replaced by minerals?

Amber fossils

Mineralized fossils

Ice fossils

Trace fossils

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the fossil record considered incomplete?

All fossils have been found

Early life forms were often soft-bodied

Fossils are only found in deserts

Fossils are indestructible

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one reason scientists cannot be certain about how life began on Earth?

Fossilization requires specific conditions

All fossils have been destroyed

Fossils are only found in one location

Life began in the ocean

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a factor that can lead to extinction?

Stable climate

Introduction of new predators

Abundant food supply

Lack of competition

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of a catastrophic event that could cause extinction?

A mild winter

A volcanic eruption

A new species evolving

A new plant species growing