Protist

The video tutorial introduces protists, organisms classified under the kingdom Protista. Protists are eukaryotic and can be unicellular or multicellular, requiring moist environments. They vary greatly in size and type, including protozoa, algae, and slime molds. Protozoa are animal-like, algae are plant-like and produce oxygen, and slime molds are fungus-like decomposers. The video concludes by highlighting the significance of algae in sustaining life on Earth.

Which of the following is NOT a characteristic of protists?

• They can be unicellular or multicellular.

• They are eukaryotic.

• They require a moist environment.

• They are classified as plants.

What is the primary characteristic of protozoa?

• They produce oxygen.

• They decompose dead organisms.

• They move and capture food.

• They are always multicellular.

Which type of protist is known for producing a significant amount of oxygen?

• Fungi

• Slime molds

• Algae

• Protozoa

What role do slime molds play in the ecosystem?

• They act as decomposers.

• They are predators.

• They produce oxygen.

• They are primary consumers.

Why is algae considered crucial for life on Earth?

• They are the only source of freshwater.

• They are a primary food source for humans.

• They produce a large amount of oxygen.

• They are the largest organisms on Earth.