Algae vs. Protozoa

These characteristics are common between algae and protozoa (three correct answers)

• They are eukaryotic

• They are always unicellular

• They are protoctists

• They live in aquatic or moist environments and soils

The importance of algae in ecosystems is that...

• They are decomposers in the ecosystems

• They are producers in the ecosystems

• They are heterotrophs

• They have no importance in the ecosystems

If an alga lives attached to the bottom of a lake, we say it belongs to the.....

• Plankton

• Nekton

• Benthos

• Yodekton

How do we classify algae??

• According to where they live

• According to the type of cell they have

• According to how they move

• According to their color

Tags

NGSS.MS-LS4-2

Algae are autotrophic organisms and they do photosynthesis, which formula is correct for the process of photosynthesis?

• Water + Salts + Oxygen + Sunlight = Glucose + Carbon Dioxide

• Water + Salts + Carbon Dioxide + Sunlight = Glucose + Oxygen

• Water + Carbon Dioxide + Sunlight = Glucose + Oxygen + Salts

• Water + Spaguetti + Candy + Sunlight = Glucose + Pork

Protozoa are ______________ and they obtain their food by a process called _______________.

• Autotrophic - Photosynthesis

• Heterotrophic - Photosynthesis

• Heterotrophic - Phagocytosis

• Autotrophic - Phagocytosis

Tags

NGSS.MS-LS1-6

Parasitic protozoa reproduce ________________ very quickly by the process represented in the picture ___________________________.

• Asexually - Binary fission

• Sexually - Multiple fission

• Sexually - Binary fission

• Asexually - Multiple fission

Protozoa are classified....

• According to their color

• According to their shape

• According to where they live

• According to how they move (if they move)

In this picture we can see a _____________________ because it moves using _________________ that surrounds it.

• Ciliate - cilia

• Flagellate - Flagella

• Rhizopoda - Pseudopods

• Sporozoans - spores

Malaria is a disease caused by...

• An alga

• A protozoa

• A mosquito

• A rabbit