9 terms

Houghton Mifflin Science Grade 4 Chapter 4

Responses of Living Things
STUDY
PLAY

Terms in this set (...)

environment
Everything that surrounds and affects a living thing.
external stimulus
Anything in an organism's environment that causes it to react.
internal stimulus
Anything within an organism that causes it to react.
response
A reaction to a stimulus.
stimulus
Anything that causes a living thing to react.
behavior
The way that an organism acts or responds to its environment.
inherited behavior
A behavior that an organism is born with and does not need to learn.
instinct
A complex pattern of behavior that organisms of the same type are born with.
learned behavior
A behavior that is taught or learned from experience.