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Bio
Enichodermata, Invertebrate Chordata
52
Biology
Undergraduate 1
03/18/2013

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Term
Echinodermata is what taxonomic category?
Definition
Phylum
Term
What kind of coelom do Echinodermata have?
Definition
Coelomate
Term
What are examples of Echinodermata?
Definition
Sand dollars, sea urchins.
Term
How does Echinodermata move?
Definition
Either slowly or sessile.
Term
What kind of habitat does Echinodermata live in?
Definition
Marine
Term
What kind of symmetry does Echinodermata have?
Definition
Different throughout its lifespan.
Term
What kind of symmetry does Echinodermata have in the larval stage?
Definition
bilateral
Term
Are cnidarians ever bilateral?
Definition
No.
Term
What kind of symmetry does Echinodermata have in adult stage?
Definition
Near radial.
Term
Spines
Definition
Extensions of Calcerous Endoskeleton
Term
What is special about the endoskeleton of Enichodermata?
Definition
Spines extend off the endoskeleton
Term
Extensions of calcerous endoskeleton
Definition
Spines
Term
Water vascular system
Definition
Water filed canals branched into tube feet.
Term
Water filled canals that branch into tube feet
Definition
Water Vascular System
Term
How may the vascular system of Echinodermata may described?
Definition
Water Vascular System
Term
What kind of feet do echinodermata have?
Definition
Tube feet
Term
How are tube feet used in echinodermata?
Definition
For locomotion, feeding and gas exchange
Term
How do sea stars digest food?
Definition
They expel their stomachs through their mouth to digest.
Term
What special thing are echinodermatas capable of?
Definition
Regeneration
Term
Chordata is what kind of taxonomic category?
Definition
Phylum
Term
There are four distinct features in the what of Chordata?
Definition
The embryos, and some adults
Term
True or false: there is four distinct features only in the embryo of Chordata.
Definition
False: there is four distinct features in the embryo and some adults.
Term
What are the four distinct features in the embryos (and some adults) of Chordata
Definition
Post-anal tail.
Dorsal hollow nerve chord
Notochord
Pharyngeal slits or clefts
Term
What is the nerve cord of chordata embryos like?
Definition
Dorsal and hollow
Term
Notochord
Definition
Flexible, supportive rod between digestive tract and nerve cord.
Term
Flexible, supportive rod between digestive tract and nerve cord.
Definition
Notochord
Term
Are all chordates vertebrates?
Definition
No.
Term
True or false: Some chordates are invertebrates.
Definition
True.
Term
What are the taxonomic categories of phylum chordata that are invertebrates?
Definition
Phylum Cephalochordata, Phylum Urochordata and Clade Craniate
Term
Cephalochordata is what taxonomic category?
Definition
Subphylum
Term
What is an example of a cephalochordata?
Definition
Lancelets
Term
What is the size of cephalochordata?
Definition
Small
Term
What do cephalochordata look like?
Definition
blade-like
Term
Are cephalochordata vertebrates?
Definition
No, invertebrates
Term
Where do cephalochordata live?
Definition
in marine sand in mud
Term
Urochordata is what taxonomic category?
Definition
Subphylum
Term
Are Urochordata invertebrates?
Definition
Yes.
Term
What is an example of a Urochordata?
Definition
Tunciates
Term
Tunciate
Definition
Sea Squirts
Term
Sea Squirts
Definition
Tunciates
Term
What kind of feeders are urochordata?
Definition
Sessile filter feeders.
Term
What of the four distinct of embryos features does Urochordata have in their embryos?
Definition
Notocord
Term
What structure does Urochordata use to feed?
Definition
Pharyngeal slits.
Term
What happens to embryonic features in Urochordata?
Definition
Notochord, most of the nerve cord and tail are reabsorbed as adult.
Term
Craniates is what taxonomic category?
Definition
Clade
Term
What class is within clade craniates?
Definition
Myxini
Term
What is class mynixi commonly known as?
Definition
Hagfish
Term
What does class mynixi lack?
Definition
Jaws and vertebrae
Term
What kind of feeders are mynixi?
Definition
Marine scavangers
Term
What does mynixi do for protection?
Definition
Produce an abundance of slime.
Term
What kind of embryonic development does Echinodermata have?
Definition
Deuterostome
Term
What are the embryonic features of Urochordata?
Definition
Notochord, nerve chord and tail.
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