Animal Systems II

The Nervous System is composed of cells called _______.

• neurons

• erythrocytes

• chondrocytes

• osteocytes

Tags

NGSS.MS-LS1-1

A reaction to a stimulus is called a _______.

• response

• organism

• impulse

• receptor

Which type of neuron connects sensory neurons to motor neurons?

• Sensory neurons

• Interneurons

• Motor neurons

• Sensory cells

In flatworms, neurons are grouped into what structure?

• Brain

• Ganglia

• Nerve nets

• Spinal cord

Define cephalization.

• Grouping of neurons into a 'head' region.

• Formation of limbs in the body.

• Development of a segmented body.

• Increase in body size.

Tags

NGSS.MS-LS1-3

What is the main function of the Cerebrum?

• Movement and balance

• Learning, reasoning, memory

• Vision

• Regulates breathing, heart rate, blood pressure

Which type of skeletal system uses fluid within the body to keep its shape?

• Exoskeleton

• Endoskeleton

• Hydrostatic

• Joints

Which type of skeletal system is found in arthropods and has the skeleton on the outside, molting for growth?

• Hydrostatic

• Exoskeleton

• Endoskeleton

• Joints

Which type of skeletal system is found in vertebrates and has the skeleton on the inside?

• Hydrostatic

• Exoskeleton

• Endoskeleton

• Joints

What is the axial portion of the vertebrate skeleton?

• skull and spine.

• limbs and girdles.

• only the rib cage.

• tail and fins.