Exploring Structures and Functions of Living Organisms

What is the fundamental unit of life?

• Atom

• Molecule

• Cell

• Tissue

Which tool is essential to observe cells?

• Telescope

• Microscope

• Periscope

• Spectroscope

Are bacteria considered unicellular or multicellular organisms?

• Neither

• Both

• Multicellular

• Unicellular

What organelle is known as the powerhouse of the cell?

• Ribosome

• Endoplasmic reticulum

• Mitochondria

• Nucleus

What is the role of chloroplasts in plant cells?

• Protecting the cell

• Photosynthesis

• Energy production

• Protein synthesis

What does the cell membrane control?

• Cell shape

• Energy production

• Movement in and out of the cell

• DNA replication

Which system is responsible for transporting oxygen in the body?

• Circulatory

• Respiratory

• Nervous

• Digestive

Which two systems work together to enable movement?

• Circulatory and Nervous

• Skeletal and Muscular

• Respiratory and Digestive

• Endocrine and Lymphatic

Which type of muscle is found only in the heart?

• Connective tissue

• Skeletal muscle

• Smooth muscle

• Cardiac muscle

How do the skeletal and circulatory systems interact?

• Circulatory system supports muscle movement

• Skeletal system circulates nutrients

• Skeletal system produces red blood cells

• Circulatory system protects bones