Podcast
Questions and Answers
What type of organism is a protozoan?
What type of organism is a protozoan?
- Multicellular
- Single-celled (correct)
- Fungal
- Plant-like
Which protozoan can change its shape?
Which protozoan can change its shape?
- Paramecium
- Plasmodium
- Amoeba (correct)
- Euglena
In what kind of environments can protozoa be found?
In what kind of environments can protozoa be found?
- Dry deserts
- Glaciers
- Volcanoes
- Moist habitats (correct)
Which of the following has a fixed shape?
Which of the following has a fixed shape?
What unit of measurement equals 1000 nanometers?
What unit of measurement equals 1000 nanometers?
Which of the following habitats is suitable for protozoa?
Which of the following habitats is suitable for protozoa?
Which of these is the smallest?
Which of these is the smallest?
Which of the following can be seen with the naked eye?
Which of the following can be seen with the naked eye?
What is the size of atoms?
What is the size of atoms?
Which of the following is an example of a protozoan?
Which of the following is an example of a protozoan?
Flashcards
What are Protozoa?
What are Protozoa?
Single-celled organisms that come in many different shapes and sizes. They live in moist habitats like fresh water, marine environments, and soil.
What is Amoeba?
What is Amoeba?
A type of protozoa that can change its shape.
What is Paramecium?
What is Paramecium?
Protozoa with a fixed shape and complex structure.
What is a micrometer (µm)?
What is a micrometer (µm)?
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What are Nanometers (nm)?
What are Nanometers (nm)?
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Study Notes
- 1 micrometer (µm) = 1000 nanometers
Sizes of Microscopic Entities
- Atoms measure 0.1 nm
- Molecules measure 1.0 nm
- Viruses measure 10 nm
- Bacteria Cells measure 100 nm
- Human & Eukaryotic Cells measure between 10 µm and 100 µm
- Blood Cells measure 10 µm
Protozoa
- Protozoa are single-celled organisms
- They exhibit diverse shapes and sizes
- An Amoeba can change its shape to a paramecium.
- Paramecium has a fixed shape and complex structure.
- Protozoa inhabit various moist environments, including fresh water, marine environments, and soil.
- Amoeba, Euglena, and Paramecium can change its shape to paramecium.
Examples
- Trypanasoma gambiense
- Plasmodium = malaria
- Trichonympha
- Entamoeba histolytica
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