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Life Through Time: Precambrian Era

Life Through Time: Precambrian Era

Assessment

Interactive Video

Science, Biology, Geography, History

10th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video explores the Pre-Cambrian era, starting 4.6 billion years ago and ending 542 million years ago. It discusses the Earth's early conditions, the emergence of life, and the development of prokaryotic cells. Photosynthesis played a crucial role in oxygenating the atmosphere, leading to the formation of eukaryotic cells. These cells eventually gave rise to multicellular organisms, with simple life forms like jellyfish and corals appearing towards the end of the era.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many years ago did the Pre-Cambrian era begin?

3.5 billion years ago

1.5 billion years ago

2.5 billion years ago

4.6 billion years ago

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What significant process did cells develop around 2.5 billion years ago?

Respiration

Photosynthesis

Fermentation

Mitosis

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was a major consequence of the development of photosynthesis?

Development of multicellular organisms

Formation of the ozone layer

Increase in atmospheric oxygen

Decrease in atmospheric oxygen

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key difference between eukaryotic and prokaryotic cells?

Eukaryotic cells have a nucleus

Prokaryotic cells are multicellular

Prokaryotic cells have a nucleus

Eukaryotic cells are smaller

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following organisms emerged towards the end of the Pre-Cambrian era?

Dinosaurs

Mammals

Simple jellyfish

Birds

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