18 Questions
What is the most distinctive feature of echinoderms?
Endoskeleton of calcareous ossicles
Which phylum includes animals with an organ-system level of organization?
Echinodermata
What type of symmetry do adult echinoderms exhibit?
Radial symmetry
Which phylum is characterized by having a water vascular system for locomotion and food transport?
Echinodermata
What is the characteristic excretory system feature of echinoderms?
Absence of excretory system
Which of the following phyla is known for its members having an endoskeleton of calcareous ossicles?
Echinodermata
Which phylum in the animal kingdom has a radial coelomate level of organisation?
Echinodermata
What is a characteristic feature of Mollusca's organ-system level of organisation?
Complete organ system
Which phylum typically exhibits an exoskeleton of a shell?
Mollusca
In which phylum is the presence of water vascular system and radial symmetry a common feature?
Echinodermata
Which phylum in the animal kingdom is worm-shaped with proboscis, collar, and trunk?
Annelida
Which phylum typically possesses an endoskeleton made of calcareous ossicles?
Echinodermata
What type of animals possess a soft body surrounded by an external calcareous shell?
Molluscs
Which group of animals possess an endoskeleton made of calcareous ossicles?
Echinoderms
In which animals is the presence of a water vascular system a distinctive feature?
Echinoderms
Which phylum exhibits organ-system level of organisation?
Molluscs
Which group of animals has an external skeleton made of chitin?
Arthropods
What is a characteristic feature of Mollusca regarding their body covering?
External calcareous shell
Explore the classification and characteristics of various animals such as Pila, Pinctada, Sepia, Loligo, Octopus, Aplysia, Dentalium, Chaetopleura, and Echinoderms. Learn about their unique features, habitats, and more.
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