Chapter 12 Animal Structure and Function Test-AB

Front

What is the nerve cord called in vertebrates?

Back

spinal cord

Front

What are the small holes on the surface of an organism through which oxygen enters and carbon dioxide exits?

Back

spiracles

Front

What is the process called when substances move from an area of higher concentration to an area of lower concentration?

Back

diffusion

Front

Which animal has both an endoskeleton and an exoskeleton?

Back

a turtle

Tags

NGSS.MS-LS4-2

Front

Which animal uses a gizzard for digestion?

Back

a bird

Front

What is an endoskeleton?

Back

A skeleton that is inside the body, providing support and protection to internal organs.

Front

What is an exoskeleton?

Back

A hard outer structure that provides support and protection to an organism, commonly found in arthropods.

Front

What is the function of gills in aquatic animals?

Back

Gills are used for gas exchange, allowing oxygen to enter the body and carbon dioxide to exit.

Front

What is the role of the spinal cord in the nervous system?

Back

The spinal cord transmits signals between the brain and the rest of the body, coordinating reflexes and movements.

Front

What is the difference between a closed and an open circulatory system?

Back

In a closed circulatory system, blood is contained within vessels; in an open circulatory system, blood flows freely through cavities.