Asked by Seher Veljee on Jul 05, 2024
Verified
Which of the following does not contain a gastrovascular cavity?
A) Hydras
B) Cnidarians
C) Sponges
D) Flatworms
E) Jellyfish
Gastrovascular Cavity
A central cavity in certain simple animals that functions in both the digestion and distribution of nutrients.
Cnidarians
A phylum of aquatic invertebrates that includes jellyfish, corals, and sea anemones, characterized by a simple body plan with a single opening and cnidocytes for capturing prey.
Hydras
Freshwater organisms belonging to the phylum Cnidaria, known for their simple tubular body and radial symmetry.
- Master the understanding of the framework and function of different elements in the digestive system.
Verified Answer
ZK
Zybrea KnightJul 05, 2024
Final Answer :
C
Explanation :
Sponges do not have a gastrovascular cavity; instead, they have a system of pores and channels through which water circulates for feeding, respiration, and waste removal.
Learning Objectives
- Master the understanding of the framework and function of different elements in the digestive system.