Life Functions

To be considered living, an organism needs to have ___________________ characteristic(s).

• at least one
• 7
• all 8
• any number of

Which of these is not true about all organisms?

• all living things have many cells
• all living things need water
• all living things respond to stimuli
• all living things reproduce

ATP is a compound that is synthesized when

• chemical bonds between carbon atoms are formed during photosynthesis
• energy stored in chemical bonds is released during cellular respiration
• energy stored in nitrogen is released, forming amino acids
• digestive enzymes break amino acids into smaller parts

A caterpillar makes a chrysalis and becomes a butterfly. Which life function is this an example of?

• reproduce

• get and use energy

• grow and develop

The absorption and distribution of materials within an organism is a life function known as

• transport
• synthesis
• reproduction
• locomotion

As a result of their metabolic activities, many organisms produce harmful substances. These substances are eliminated by the process of 

• pinocytosis
• ingestion
• excretion
• secretion

A plant forms large starch molecules from smaller sugar molecules.

• Nutrition

• Respiration

• Synthesis

• Digestion

Which statement best illustrates the life process of growth?

• A bean seed germinates.
• An ameba moves away from bright light.
• Two monosaccharides are formed from a disaccharide.
• A dog consumes a bowl of food. 

The life function responsible for the coordination and control of all life activities in an organism is known as

• regulation
• reproduction
• excretion
• nutrition

The diagram represents an activity that occurs in the human body.
This diagram best illustrates

• active transport
• maintenance of homeostasis
• synthesis of nutrients
• differentiation