16 Questions
What is the feeding mechanism of an organism that eats its way through dirt or sediments to extract partially decayed organic material?
Deposit feeder
Which type of feeder sucks nutrient-rich fluids from a living host?
Fluid feeder
What is the characteristic of a substrate feeder?
Lives in or on its food source
What type of feeding mechanism is used by animals that sift through food particles in the water?
Suspension feeding
What type of feeding mechanism is characteristic of a whale?
Suspension feeding
What is the primary function of gill rakers in herring and other suspension-feeding fishes?
To filter out plankton
Which type of feeder eats its way through its food source?
Substrate feeder
Which of the following animals is an example of a suspension feeder?
Baleen whale
What is the purpose of filtering devices in suspension-feeding animals?
To strain food from water
What type of feeder consumes relatively large pieces of food?
Bulk feeder
Which type of digestive system is characterized by only one opening, with no anus?
Incomplete
What is the primary mechanism of digestion in unicellular organisms like protozoa?
Phagocytosis and lysosomal degradation
Which stage of food processing involves the act of eating?
Ingestion
What is the primary location of extracellular digestion?
In the lumen of the alimentary system
What is the term for the process of breaking food down into molecules small enough for the body to absorb?
Digestion
What is the term for the process of undigested material passing out of the digestive compartment?
Elimination
Test your knowledge of different feeding mechanisms in animals, including filter feeders, deposit feeders, and substrate feeders. Learn about the unique ways animals obtain their food, from baleen plates to leaf mining.
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