Bacteria

Bacteria

Assessment

Interactive Video

Science, Biology

4th - 9th Grade

Hard

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Bacteria are ubiquitous, found in diverse environments from the Earth's crust to living organisms. While some bacteria cause diseases, others are beneficial. In fact, the human body contains ten times more bacterial cells than human cells, making up 90% of our body's cellular composition.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Can you name a negative effect of bacteria?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What percentage of our body is made up of bacteria?

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