Quiz - 12.2 Vertebrate Diversity

The endocrine system is a system that consists of skin and other tissues and organs that defend the body from pathogens.

• True

• False

Vertebrates have an endocrine system of glands that secrete _____.

• Enzymes

• Proteins

• Hormones

• None of these

Cartilage is a tough tissue that contains a protein called _______.

• Elastin

• collagen

• Keratin

• Hyaluronic acid

Hormones are

• chemical messengers that control many body functions.

• organs that filter wastes from blood so they can be excreted from the body.

• fibers that extend from the spinal cord to muscles and organs throughout the body.

• proteins that defend the body from pathogens and other causes of disease.

Name the chemical messengers that control many body functions.

• Vitamins

• Hormones

• Enzymes

• None of these

____ is a hard tissue that consists of a collagen matrix or framework.

• Bone

• Cartilage

The proteins produced by the immune system that recognize pathogens are known as antibodies.

• True

• False

The spinal cord runs from the brain to the tail end of the backbone.

• True

• False

Most vertebrates have skin covered with scales, feathers, fur, or hair for the purpose of _____.

• Insulating the body

• BOTH Waterproofing AND Insulating the body

• Waterproofing

• None of these

The cartilage is a tough tissue that contains a protein called _____.

• Actin

• Myosin

• Collagen

• None of these