Ch.6 Obtaining Energy

Animals that have both pointed and flat teeth are most likely

• carnivores

• herbivores

• omnivores

• filter feeders

Which animal has a digestive system most similar to a human?

• cow

• jellyfish

• octopus

• wolf

What type of circulatory system do grasshoppers have?

• closed

• single loop

• double loop

• open

What type of respiratory structures do spiders have?

• air sacs

• book lungs

• pocket lungs

• tracheal tubes

What are the two (2) types of circulatory systems?

• open and closed

• full and partial

• vertebrates and invertebrates

• simple and complex

How many chambers does a fish heart have?

• one

• two

• three

• four

Tiny, thin-walled blood vessels where the blood and body cells exchange substances are called

• atria

• ventricles

• capillaries

• single loops

Which body system helps animals get rid of waste?

• circulatory system

• excretory system

• respiratory system

• nervous system

Vertebrates have kidneys to filter certain wastes from the body. What do the kidneys produce?

• blood

• urine

• red blood cells

• sweat

What are the two (2) gases that animals exchange with their surroundings?

• oxygen and nitrogen

• nitrogen and helium

• hydrogen and carbon dioxide

• carbon dioxide and oxygen