Characteristics of Life Review

A baby song bird hatches from its egg with both parent songbirds watching.

• All living things reproduce

• All living things maintain homeostasis

• All living things use energy

A pill bug (roly poly) eats a carrot.

• All living things contain cells

• All living things use energy

• All living things maintain homeostasis

A camel has eyelashes that work to keep the dust and sand out of its eyes.

• All living things adapt to their environment

• All living things grow

• All living things have cells

A caterpillar hibernates in a cocoon and emerges as a butterfly.

• All living things adapt to their environment
• All living things use energy
• All living things respond to their environment
• All living things grow

An amoeba is a unicellular organism. Which characteristic of life is this?

• All living things use energy

• All living things contain cells

• All living things respond to their environment

YOU are a multi-celled organism but an amoeba is a single celled organism.

• All living things have cells

• All living things grow

• All living things use energy

What type of organism would this amoeba represent?

• Unicellular

• Multicellular

• Monocellular

Metamorphosis and puberty are examples of:

• Synthesis

• Reproduction

• Growth

The smallest unit of life is a(n)

• atom

• cell

• snail

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

• a. Organism, cell, tissue, organ, organ system

• a. Organ system, organ, tissue, cell, organism

• a. Cell, tissue, organ, organ system, organism