Key Traits of Living Organisms

What is the primary focus of biology?

• Study of planets

• Study of life

• Study of chemicals

• Study of history

What are multicellular organisms?

• Organisms without cells

• Organisms with multiple cells

• Organisms with a single cell

• Organisms with two cells

What is the smallest unit of life?

• Organs

• Molecules

• Cells

• Atoms

Which type of organisms are bacteria classified as?

• Bicellular

• Unicellular

• Multicellular

• Acellular

What triggers the Venus flytrap to close?

• Water

• Sunlight

• Sound

• Touching of its trigger hairs

Which characteristic of life involves reacting to environmental stimuli?

• Response to environment

• Reproduction

• Growth

• Adaptation

How do humans maintain their internal body temperature?

• By running

• By sleeping

• By shivering

• By sweating

What process do living things use to convert food into energy?

• Respiration

• Photosynthesis

• Digestion

• Metabolism

Why is reproduction important for living organisms?

• To create heat

• To prevent extinction

• To grow

• To digest food

What is an example of an adaptation in polar bears?

• Learning to fly

• Growing a thick fur coat

• Changing color

• Developing wings