Characteristics of Life

What is the most basic unit of life?

• cell
• tissue
• organ
• organ system

Reproduction that only involves one parent and all offspring are identical; for example, binary fission of bacteria or amoebas.

• Asexual

• Sexual

• Division

• Addition

When a baby kitten becomes an adult cat, this is an example of...

• energy metabolism
• growth and development
• response to stimuli
• having cells

Reproduction that involves cells from two parents uniting to produce the first cell of a new organism.

• Asexual

• Sexual

• Budding

• Division

Living things are based on a universal genetic code. What molecule is responsible for that code?

• RNA

• Lipid

• Protein

• DNA

Maintaining a stable internal environment is called

• homeostasis

• equilibrium

• balance

• evenness

Multicellular means

• made of many cells
• made of one kind of cell
• made of only one cell

Which of the following is NOT a characteristic shared by all living organisms?

• Ability to move
• Ability to grow and develop
• Made up of one or more cells
• Responds to stimuli

In order for something to be considered a living organism, it must display _____ of the eight characteristics of living things.

• all
• some
• one
• more than half

Organisms, such as bacteria, are ______________ which means they consist of only a single cell.

• unicellular

• multicellular

• autotrophic

• heterotrophic