What is in the Water?

A friend of yours, Jo, uses some of the water you collected from a nearby river to prepare a slide. They find objects in the water that are green and appear to be moving. After watching one of the objects move back and forth, they conclude that it’s an animal cell in the water. It’s a good thing you didn’t drink it!
NGSS Phenomena: Green tentacles extend out in different directions on a clear background.
Kristian Peters http://www.korseby.net/outer/flora/algae/index.html CC BY-SA 3.0

1. Use the image provided and what you’ve learned about cells to evaluate their statement.

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This free response question aligns to the following standards

  • LS1.A: Structure and Function

  • Scale, Proportion, and Quantity

  • MS-LS1-1

  • Planning and Carrying Out Investigations

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