Exploring the Characteristics of Life

What is the basic unit of life that all living things are made of?

• Cells

• Tissues

• Molecules

• Atoms

Which type of reproduction involves a single organism making an exact copy of itself?

• Sexual reproduction

• Asexual reproduction

• Binary fission

• Budding

In sexual reproduction, how many parents contribute DNA to the offspring?

• Three

• Four

• Two

• One

What do living organisms need to capture and use for their processes?

• Oxygen

• Carbon dioxide

• Water

• Energy

Which term describes organisms that produce their own food using light, water, and carbon dioxide?

• Decomposers

• Carnivores

• Heterotrophs

• Autotrophs

How do living organisms respond to internal stimuli?

• By moving towards light

• By growing taller

• By sending chemical signals to the brain

• By changing color

What is the process called when plants grow or lean towards the sun?

• Photosynthesis

• Phototropism

• Photolysis

• Photoperiodism

What is the term for maintaining a stable internal environment in living organisms?

• Evolution

• Adaptation

• Metabolism

• Homeostasis

Which characteristic of living things involves changes over a long period and affects an entire species?

• Development

• Homeostasis

• Growth

• Evolution

Which of the following is NOT considered alive despite having some characteristics of living things?

• Crystals

• Viruses

• Mules

• Zonkeys