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Questions and Answers
Which of the following phyla is characterized by a reduced coelom to a pericardial cavity around the heart?
What type of locomotory structure is represented by the organisms in Phylum Mollusca?
Which phylum secretes a calcarious shell, which may be external or internal?
What is the general nature of reproduction in organisms of Phylum Mollusca?
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Which phylum is characterized by having a solid supporting structure called notochord on the dorsal side of the body?
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Which class under the phylum Chordata is known for being terrestrial and having feathers?
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In the phylum Echinodermata, which class is characterized by having elongated ventral overlapping plates and being marine?
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Which class under the phylum Chordata is known for being aquatic?
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Which subphylum under the phylum Echinodermata includes the class Crinoidea?
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Which class under the phylum Mollusca is known for being marine and open at both ends?
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What is the nature of the shell in the class Gastropoda under the phylum Mollusca?
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Which class under the phylum Chordata is known for having hair absent (epidermal) and being terrestrial?
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In the phylum Echinodermata, which class is characterized by having a reduced modified foot for digging and being marine?
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Which subphylum under the phylum Echinodermata includes the classes Asteroidea, Ophiuroidea, Holothuroidea, and Echinoidea?
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In the phylum Chordata, which class is characterized by having both feathers and wings?
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Which class under the phylum Mollusca is known for being marine or made up of two fresh water equal valves?
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Study Notes
- Animalia is a kingdom with several subkingdoms, one of which is Eumetazoa
- Eumetazoa consists of several phyla, including Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata, and Chordata
- Mollusca is a phylum with various classes, including Scaphopoda, Monoplacophora, Polyplacophora, Gastropoda, Bivalvia, Cephalopoda, and Laminaria
- Mollusca have a soft body, which is divided into three regions: head, visceral hump, and foot
- Mollusca have a mantle, which covers the visceral hump and secretes a calcareous shell
- Mollusca have a complete digestive system and reproduce sexually with direct development
- Echinodermata is a phylum with about 5300 species, which are marine, unsegmented, and triploblastica
- Echinodermata have a pentamerous, radially symmetrical body with a well-developed digestive system
- Echinodermata have a complex nervous system and reproduce sexually and asexually
- Echinodermata have a skeleton composed of plates, tubercles, and spines, which are calcareous and project freely on the body surface
- Chordata is a phylum with several classes, including Pisces, Amphibia, Reptilia, Aves, and Mammalia
- Chordata have a notochord, which is a solid supporting structure on the dorsal side of the body
- Chordata have various modes of reproduction, including oviparous and viviparous, with internal and external fertilization
- Chordata have various modes of locomotion, including fins, limbs, and exoskeletons, depending on the class.
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Description
Test your knowledge of the general characteristics of the Mollusca phylum with this quiz. Learn about their habitat, body structure, and other key features.
