Why Are Leaves Green? Part 1

Why Are Leaves Green? Part 1

Assessment

Interactive Video

Geography, Science, Biology, Physics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores why plants are green due to chlorophyll, which absorbs sunlight for energy. Despite being green, chlorophyll is inefficient at absorbing green light, reflecting it instead. Historical theories suggest that ancient purple organisms absorbed green light, leaving other wavelengths for chlorophyll. This rivalry may have led to the dominance of green plants. The video also questions why plants didn't evolve black leaves for better light absorption, suggesting nature's focus on 'good enough' solutions rather than perfection.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What role does chlorophyll play in the greenness of plants?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is chlorophyll considered good at soaking up sunlight?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of chlorophyll not absorbing green light?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What theories exist regarding why plants are predominantly green?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How might the evolution of chlorophyll relate to the colors of plants we see today?

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