Podcast
Questions and Answers
Which of the following is a special characteristic of the phylum Echinodermata?
Which of the following is a special characteristic of the phylum Echinodermata?
- Asymmetrical body
- Bilateral symmetrical body
- Pentamerous symmetrical body (correct)
- Hexamerous symmetrical body
What is the complex of tubes called that echinoderms have?
What is the complex of tubes called that echinoderms have?
- Water vascular system (correct)
- Excretory system
- Respiratory system
- Digestive system
During which period were echinoderms well established, with an extensive fossil record?
During which period were echinoderms well established, with an extensive fossil record?
- Devonian period
- Cambrian period (correct)
- Jurassic period
- Cretaceous period
Where are all the members of the phylum Echinodermata found?
Where are all the members of the phylum Echinodermata found?
What is the meaning of 'Pentamerous symmetry' in echinoderms?
What is the meaning of 'Pentamerous symmetry' in echinoderms?
Which member of the phylum Echinodermata possesses an internal mesodermal skeleton composed of numerous ossicles of calcium carbonate?
Which member of the phylum Echinodermata possesses an internal mesodermal skeleton composed of numerous ossicles of calcium carbonate?
What characteristic feature gives the animals in the phylum Echinodermata their name?
What characteristic feature gives the animals in the phylum Echinodermata their name?
What is the main example used to describe the features of echinoderms in the session?
What is the main example used to describe the features of echinoderms in the session?
What is the composition of the internal mesodermal skeleton in members of the phylum Echinodermata?
What is the composition of the internal mesodermal skeleton in members of the phylum Echinodermata?
Why do most modern echinoderms show pentamerous symmetry as adults?
Why do most modern echinoderms show pentamerous symmetry as adults?
