Characteristics of Life

___________a molecule that is present in all living cells and that contains the information that determines the traits a living thing inherits and needs to live.

• Cell

• Stimulus

• Homeostasis

• DNA

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.

• All living things use energy
• All living things contain cells
• All living things maintain homeostasis
• All living things grow

Green plants produce their own food through the process of photosynthesis.

• All living things use energy from food

• All living things contain cells

• All living things maintain homeostasis

• All living things grow

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
• All living things respond to their environment

Living things are made up of units called

• DNA

• Cells

• Homeostasis

• Seeds

Which is an example of an organism?

• a beetle
• a lake
• a rock
• a shell

Stimulus is

• organisms that are made up of more than one cell

• a membrane-covered structure that contains all of the materials necessary for life.

• a change that affects the activity of an organism.

• the maintenance of a stable internal environment.

Which life process is indicated by the arrows in the diagram of an amoeba shown to the right?

• digestion

• excretion

• fermentation

• transport

Type of reproduction that produces two genetically identical offspring from one parent is _________________.

• Sexual
• Asexual
• reproduction
• homeostasis

Every organism must pass on its ________________, stored in DNA.

• metabolism
• response
• growth
• genetic code