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LS Investigation 4
Living systems investigation 4.1-4.3
Term | Definition |
---|---|
Behaviors | the things organisms do to survive and reproduce |
Response | to act or answer to a stimulus |
Stimulus | Something that causes an action |
Receptor | Cells that send messages to the brain when it receives stimuli |
Central Nervous System | Sensory impulses pass through the brain and spinal cord |
Neurons | a communication cell found in the brain and nervous system |
Response time | the length of time it takes for an organism to act in response to a stimulus |
Adaptation | a structure, feature, or behavior that helps an organism survive and or reproduce |
Inherited traits | information passed on from parents |
Learned behaviors | a behavior that is taught and practiced |
Reflex | an involuntary response to a stimulus where sensory neurons send messages directly to motor neurons |
Instinct | a behavior or an action that is not learned but an inherited ability or trait |