Origin of Life on Earth Flashcard

Origin of Life on Earth Flashcard

Assessment

Flashcard

Biology

University

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the second oldest layer in geological formations?

Back

Layer L

2.

FLASHCARD QUESTION

Front

What process do cyanobacteria use to add oxygen to the atmosphere?

Back

Photosynthesis

3.

FLASHCARD QUESTION

Front

Who proposed that early Earth conditions favored the synthesis of organic compounds?

Back

A. I. Oparin and J. B. S. Haldane

4.

FLASHCARD QUESTION

Front

What is the typical background extinction rate compared to the current rate?

Back

100 to 1,000 times lower

5.

FLASHCARD QUESTION

Front

How many times have Earth's landmasses formed a supercontinent since the origin of eukaryotes?

Back

Three times

6.

FLASHCARD QUESTION

Front

Define 'photosynthesis'.

Back

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

7.

FLASHCARD QUESTION

Front

What is the significance of cyanobacteria in Earth's history?

Back

Cyanobacteria are significant for their role in oxygenating the atmosphere through photosynthesis.

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