Animal Response to Stimuli

Organisms’ responses to external factors begin with activity in the ---------------

• Circulatory system

• Digestive system

• Nervous system

• Skeletal system

Tags

NGSS.MS-LS1-8

A ------ is an external factor that causes an organism to react.

• Response

• Sensory neuron

• stimulus

• Motor neuron

A ------ is how an organism reacts or responds.

• Response

• Sensory neuron

• stimulus

• Motor neuron

Tags

NGSS.MS-LS1-8

A -------------- pass information about a stimulus from sense organs to other nerve cells.

• Response

• Sensory neuron

• stimulus

• Motor neuron

Tags

NGSS.MS-LS1-8

A -------------- delivers the response to muscles/ glands

• Response

• Sensory neuron

• stimulus

• Motor neuron

The --------- is the “thinking” region of the brain. It is also involved in learning, memory, and conscious thought.

• Cerebrum

• Cerebellum

• Medulla Oblengata

• Spinal cord

The --------- coordinates movement and controls balance.

• Cerebrum

• Cerebellum

• Medulla Oblengata

• Spinal cord

The --------- connects vertebrate brains to the rest of the body. it runs through a tube in the vertebral column.

• Cerebrum

• Cerebellum

• Medulla Oblengata

• Spinal cord

Some cephalopods and arthropods have ---- that detect motion and color and form images.

• Compound eyes

• Antennae

• Legs

Spiders can detect vibrations in their web through their ----

• Compound eyes

• Antennae

• Legs