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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?
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?
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?
Which phylum secretes a calcarious shell, which may be external or internal?
What is the general nature of reproduction in organisms of Phylum Mollusca?
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?
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?
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?
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?
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?
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?
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?
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?
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?
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?
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?
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?
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.
