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Unicellular Organisms

The Hunt for Organelles & Other Special Structures

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Protists!

Amoeba, Euglena, Paramecium, Volvox

Oh My!

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Amoeba

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I am found in freshwater, saltwater, and dead and decaying material.

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http://www.livescience.com/38897-how-to-survive-a-brain-eating-amoeba.html

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Euglena

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http://www.japantimes.co.jp/news/2015/07/08/science-health/pond-scum-may-one-day-fuel-planes/#.Vt-efdDY3IV

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I am found in freshwater.

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Paramecium

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I reproduce sexually NOT asexually. Feel the love!

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Notice the cilia covering my entire body. Cilia helps sweep food straight to my gullet. Yum! Yum!

I also have 2 nuclei! Count them! 2!

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Volvox

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We are found in ditches and puddles.

We also reproduce asexually AND sexually.

We also get food through photosynthesis. We are AWESOME!

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Application Q’s

  • How are structure and function related to living things?
  • How are the structures of these protists indicative of their function?
  • How does the Euglena respond to its environment?
  • How does the Paramecium maintain homeostasis (maintain internal balance in an organism, such as water)?
  • How does the Euglena’s way of obtaining food differ from the Paramecium’s?

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Which unicellular organisms move by flagella?

  • Euglena
  • Paramecium
  • Amoeba
  • Volvox

A: Euglena and Volvox (A and D)

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Which unicellular organism moves by cilia?

  • Euglena
  • Amoeba
  • Paramecium
  • Volvox

A: Paramecium (C)

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Which single celled organism uses pseudopods to surround and engulf food?

  • Euglena
  • Amoeba
  • Paramecium
  • Volvox

A: Amoeba (B)

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Which organism is a colony of flagellates with chlorophyll?

  • Euglena
  • Paramecium
  • Amoeba
  • Volvox

A: Volvox (D)

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Which single-celled organism has an eyespot?

  • Paramecium
  • Euglena
  • Volvox
  • Amoeba

A: Euglena (B)

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Which colonial organism has eyespots?

  • Volvox
  • Euglena
  • Paramecium
  • Amoeba

A: Volvox (A)

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Which organisms contain chlorophyll?

  • Euglena and Amoeba
  • Amoeba and Paramecium
  • Paramecium and Volvox
  • Volvox and Euglena

A: Volvox and Euglena (D)

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Name the parts at A and B.

A

B

Nucleus

Cytoplasm

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4 Microscope Drawings

Do not forget!

4 Microscope Drawings in lab book: (Use handout)

  • Euglena
  • Volvox
  • Paramecium
  • Amoeba