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Questions and Answers
What term is used to describe the digestive system of cnidarians with only one opening serving as both mouth and anus?
What term is used to describe the digestive system of cnidarians with only one opening serving as both mouth and anus?
- Bilateral symmetry
- Incomplete digestive system (correct)
- Radial symmetry
- Complete digestive system
What is the main function of the non-living mesoglea in cnidarians?
What is the main function of the non-living mesoglea in cnidarians?
- Nutrient absorption
- Support and structure (correct)
- Oxygen transport
- Digestive enzyme production
How do cnidarians eliminate nitrogenous waste from their bodies?
How do cnidarians eliminate nitrogenous waste from their bodies?
- By secreting it into the gastrovascular cavity
- By excretion through a separate organ system
- Diffusion into the water outside the animal or into the gastrovascular cavity (correct)
- Through specialized cells called cnidocytes
What is the primary mechanism for nutrient transportation between cells in cnidarians?
What is the primary mechanism for nutrient transportation between cells in cnidarians?
Which term best describes the body arrangement of cnidarians around a central point, exhibiting consistent and repeating patterns?
Which term best describes the body arrangement of cnidarians around a central point, exhibiting consistent and repeating patterns?
What are the specialized cells in cnidarians responsible for defense and prey capture?
What are the specialized cells in cnidarians responsible for defense and prey capture?
What is the function of choanocytes in a sponge?
What is the function of choanocytes in a sponge?
What is the function of the osculum in a sponge?
What is the function of the osculum in a sponge?
What is the function of the ostium in a sponge?
What is the function of the ostium in a sponge?
What is the role of amoebocytes in a sponge?
What is the role of amoebocytes in a sponge?
What is the function of spicules in a sponge?
What is the function of spicules in a sponge?
What is the function of the spongocoel in a sponge?
What is the function of the spongocoel in a sponge?
Which class does the Manila clam belong to?
Which class does the Manila clam belong to?
What type of shell is commonly found in garden snails?
What type of shell is commonly found in garden snails?
Which of the following animals belongs to Class Gastropoda?
Which of the following animals belongs to Class Gastropoda?
Which of the following is a common name for animals in the family Haliotidae?
Which of the following is a common name for animals in the family Haliotidae?
What is the function of the flexible ligament in Class Bivalvia?
What is the function of the flexible ligament in Class Bivalvia?
Which of the following is not a common name for animals in the family Haliotidae?
Which of the following is not a common name for animals in the family Haliotidae?
Which class of animals includes species that remain polypoid throughout their lives?
Which class of animals includes species that remain polypoid throughout their lives?
Which class of animals has the medusa as the prominent stage in the life cycle?
Which class of animals has the medusa as the prominent stage in the life cycle?
Which of the following is a characteristic feature of Scyphozoans?
Which of the following is a characteristic feature of Scyphozoans?
Which of the following corals is NOT a soft coral species?
Which of the following corals is NOT a soft coral species?
Which of the following jellyfish species is NOT a member of the class Scyphozoa?
Which of the following jellyfish species is NOT a member of the class Scyphozoa?
Which of the following is NOT a method of reproduction for Anthozoans?
Which of the following is NOT a method of reproduction for Anthozoans?
What type of symmetry is best described as one half of an organism being a mirror image of the other half?
What type of symmetry is best described as one half of an organism being a mirror image of the other half?
Which of the following is not a characteristic of Cnidarians?
Which of the following is not a characteristic of Cnidarians?
What is the process called where a cell incorporates a particle by extending pseudopodia and drawing the particle into a vacuole of its cytoplasm?
What is the process called where a cell incorporates a particle by extending pseudopodia and drawing the particle into a vacuole of its cytoplasm?
What is the function of cnidocytes in Cnidarians?
What is the function of cnidocytes in Cnidarians?
What is the term for an organism that has two sides or halves that are different in shape, size, or style?
What is the term for an organism that has two sides or halves that are different in shape, size, or style?
Which of the following is not a common example of an animal with radial symmetry?
Which of the following is not a common example of an animal with radial symmetry?
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