You and all organisms live in anenvironment. An environment is made up of everything that surrounds anorganism. It can include air, the water, the soil, and even other organisms. Anorganism responds to changes in its environment. When an organism responds to achange, it reacts in certain ways. All living things respond in some way. Haveyou ever noticed how plants and insects respond to light? Plants bed towardlight. Insects fly toward light.

Living things also respond in other way.The leaves on some trees respond to a change in season. In autumn, they changecolors and then fall off the branches. Animals also respond to a change inseason. Squirrels save nuts for the winter. Bears sleep through the winter in acave. You respond to your environment in many ways, too.

You may shiver if youare cold. What other ways do you respond to changes in your environment?