Phylum Echinodermata Flashcards
The body cavity of Phylum Echinodermata is made up of what
Pseudocoel
Phylum Echinodermata are ____ in their larvea stage but ____ in their adult stage
Billaterally symmetrical in larvea and radially symmetrical in adult
Classes of Phylum Echinodermata
Eleutherozoa eg brittle fish, sea urchins and star fish
Pelmatozoa eg sanddollar
Which of the classes of Phylum Echinodermata is sessile
Pelmatozoa
Does phylum echinodermata has an anus?
Yes… But nonfunctional
Are echinodermata Diecious,
Yes
Name the SubPhylum of echinodermata
Eleutherozoa
Pelmatozoa
Are echinodermata segmented?
No. They are unsegmented
Are they coelemate
Yes
The dermal skeleton of echinodermata consist of what
Calcerous ossicles
What is their excretory system
None
Are echinodermata parasitic?
No
What do echinodermata use for movement
Tupe feets
The most primitive of the echinodermata class
Holothuroided
Examples of echinodermata
Sea urchins
Sea cucumbers
Sand dollars
Feather starts
Bristle stars
Star fishes
