LS.7.1.1 - Unicellular Organisms

What is the process called where an organism maintains a stable internal environment?

• Excretion

• Metabolism

• Homeostasis

• Respiration

Which of the following is a hairlike projection used for locomotion?

• Flagellum

• Cilia

• Eyespot

• Pseudopod

What is the primary function of chlorophyll in plants?

• To store energy

• To transport water

• To absorb sunlight

• To protect from predators

Which organism is known for forming spherical colonies?

• Paramecium

• Amoeba

• Euglena

• Volvox

What is the role of DNA in cells?

• To provide energy

• To contain genetic information

• To transport nutrients

• To protect the cell

Which process involves the conversion of light energy into chemical energy?

• Respiration

• Photosynthesis

• Metabolism

• Excretion

What is the main purpose of an eyespot in unicellular organisms?

• To move the organism

• To reproduce

• To capture food

• To detect light

Which of the following organisms uses a flagellum for movement?

• Paramecium

• Euglena

• Volvox

• Amoeba

What is the function of pseudopodia in amoebas?

• To engulf food

• To reproduce

• To store energy

• To detect light

Which term describes an organism that makes its own food?

• Heterotroph

• Autotroph

• Consumer

• Decomposer