Feeding and Digestion
Respiration
Circulation
Excretion
Specialized Structures
100
Tube in food is digested in vertebrates and many invertebrates
What is the digestive tract?
100
Animals with lungs breathe in ________ and out ___________.
What is oxygen and carbon dioxide?
100
Hollow, muscular organ that pumps blood around the body
What is the heart?
100
________ is poisonous for all animals and must be excreted
What is ammonia?
100
Gills
What are aquatic animals?
200
_________ feed on detritus and other microorganisms that grow on and around it
What are Detritivores?
200
Spiders respire using _______.
What are book lungs?
200
arthropods and most mollusks have___________
What is an open circulatory system?
200
Excrete uric acid
What are birds and reptiles?
200
Lungs
What are terrestrial vertebrates?
300
Use modified gills or other structures that filter food items out of water
What are filter feeders?
300
Organs that exchange oxygen and carbon dioxide between blood and air
What are lungs?
300
Receives blood from the body
What is the atrium?
300
Produce urine in nephridia
What are annelids and mollusks?
300
Spiracles
What are terrestrial insects?
400
Process by which food is broken down outside cells in a digestive system and then absorbed
What is extracellular digestion?
400
Mammalian lungs are filled with this bubblelike structure
What are alveoli?
400
Blood vessels that carry blood away from the heart and to the body's organs
What are arteries?
400
In insects and arachnids, nitrogenous wastes are absorbed from body fluids by structures called______.
What are malpighian tubules.
400
Mantel Cavity
What are land snails?
500
Broad flattened teeth used for grinding tough plants
What are herbivore molars and premolars?
500
Birds have a _________ airflow
What is one-way?
500
Tiny blood vessels that allow the gas exchange beteeen body cells and blood
What are capillaries?
500
Freshwater fish actively pump _____ in across their gills
What is salt?
500
Modified gills or other structures
What are filter feeders?
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