Characteristics of Life Notes

Multiple Choice

Which of the following best describes the main focus of biology?

• The study of all forms of life

• The study of rocks and minerals

• The study of weather patterns

• The study of planets and stars

Open Ended

Why is it important to understand what it means for something to be alive when studying biology?

Multiple Choice

Which of the following is NOT one of the characteristics of life listed by scientists?

• Order

• Heredity/DNA

• Photosynthesis

• Regulation

Fill in the Blank

Fill in the blank: All living things are made of ___, which can be unicellular or multicellular.

Multiple Choice

Which of the following correctly shows the levels of organization in a multicellular organism, from simplest to most complex?

• Organism → Tissue → Organ → Cell → System

• Cell → Tissue → Organ → System → Organism

• Tissue → Cell → Organ → System → Organism

• System → Organ → Tissue → Cell → Organism

Multiple Select

Select all statements that are true about DNA based on the information provided.

• DNA contains genetic information for growth and development.

• DNA is only inherited from the mother.

• DNA is passed to the next generation.

• DNA is found in all living things.

Multiple Choice

Which of the following is NOT a way organisms increase in size?

• Cells becoming larger

• Cells dividing to produce more cells

• Cells shrinking in size

• Cells fusing together

Multiple Select

Which of the following are ways organisms obtain energy?

• Making their own food

• Eating other organisms

• Absorbing sunlight directly without photosynthesis

• Breaking down dead material

Multiple Choice

The process by which organisms maintain stable internal conditions is called ___.

• adaptation
• equilibrium
• metabolism
• homeostasis

Multiple Choice

What is the main purpose of adaptations in living organisms?

• To help them survive and reproduce

• To make them more attractive

• To increase their size

• To reduce their energy needs

Multiple Choice

Which of the following represents the correct order from smallest to biggest in the levels of biological organization?

• Molecules, Cells, Tissues, Organs, Organisms, Populations, Communities, Ecosystems, Biosphere

• Cells, Molecules, Tissues, Organs, Organisms, Populations, Communities, Ecosystems, Biosphere

• Molecules, Tissues, Cells, Organs, Organisms, Populations, Communities, Ecosystems, Biosphere

• Molecules, Cells, Organs, Tissues, Organisms, Populations, Communities, Ecosystems, Biosphere

Open Ended

After learning about the definition of biology, what is one question you still have or something you would like to know more about regarding the study of life?