7th Grade Single-Celled Organisms (7.L.1.1)

Front

What are trichocysts?

Back

Trichocysts are little stinging filaments that paramecium use to defend themselves against predators.

Front

What is a volvox?

Back

Volvox are single-celled algae that live together in colonies.

Front

How do amoebas eat?

Back

Amoebas eat algae, bacteria, plant cells, and other unicellular organisms by oozing around them.

Front

What does unicellular mean?

Back

Unicellular means consisting of a single cell.

Front

How do euglena move?

Back

Euglena move using a long whip-like structure called a flagella.

Front

What is the main characteristic of single-celled organisms?

Back

Single-celled organisms consist of only one cell that performs all life functions.

Front

Give an example of a unicellular organism.

Back

An example of a unicellular organism is an amoeba.

Front

What is the function of cilia in paramecium?

Back

Cilia help paramecium move and feed by creating water currents.

Front

What type of environment do most single-celled organisms thrive in?

Back

Most single-celled organisms thrive in moist environments.

Front

What is the role of bacteria in ecosystems?

Back

Bacteria play a crucial role as decomposers, breaking down dead organic matter.