59 notecards = 15 pages (4 cards per page)
What are examples of Organisms in the Phylum Hemichordata?
What kind of Nerve Chords can Hemichordates have?
Ventral or Dorsal nerve chord
Hemichordates have a body with what?
Do Hemichordates have a Notochord?
No, They have a Buccal Diverticulum (or Stomochord)
Are Hemichordates Solitary or Colonial?
What do Hemichordates use for repiration?
Gill pores and Gill slits
What are the characteristics of Hemichordates?
What type of feeders are Hemichordates?
Suspension and Deposit.
Are Hemichordates Deuterostomes or protostomes?
What are the 5 Defining features of the Phylum Chordata?
What can we say of the key defining features in Chordates?
They are all present at some time in development.
What are the subphyla of the phylum Chordata?
Name a genera of the Subphylum Cephalochordata.
What are some Characteristics of the Subphylum Cephalochordata?
What are some examples of organisms in the subphylum Urochordata?
Tunicates and Salps
What are some characteristics of Urochordates?
What are Examples of organisms in the subphylum Craniata?
What is a characteristic of organisms in the subphylum Craniata?
They have larval features retained but modified in adults.
In Craniates, a Notochord is modified into what?
In Craniates, a Dorsal hollow nerve cord is modified into what?
A spinal Cord
In Craniates, An Endostyle is modified into what?
In Craniates, Pharyngeal gill slits are modified into what?
An extension of the spinal chord that extends beyond the animal's anus, that they may or may not have their entire life.
What are the key features of the subphylum craniata?
–Cranium (house brain & complex sensory organs)
–Neural crest and placodes
–Muscular pharynx and gut tube
In Craniates, What house the brain and complex sensory organs?
What type of skeleton do craniates posses?
What are the Chacteristics of the Neural crest?
–cells migrate from top of neural folds
–Forms cranium, parts of sense organs & sensory system in head and more
Forms cranium, parts of sense organs & sensory system in head and more
Ectodermal thickenings that form sense organs and nerves
The retention by adults of traits previously seen only in the young.
Gene clusters that Control development of body plan in all animals, They also Turn genes ‘on’ and ‘off’
What is a characteristic of Ancestral Craniates?
They were free swimming
Early jawless vertebrates
Jawless fishes that are not monophyletic
What is an example of an Agnatha.
What are some characteristics of a hagfish?
What are the Synapomorphies of Vertebrates?
What are the habitats of the jawless vetebrate Lamprey?
What are the Characteristics of the Jawless Vertebrate Lamprey?
What are the synapomorphies of the class Gnathostoma?
What did Jaws evolve from?
What periods did the Ancient Jawed Fishes live in?
The Silurian and Devonian
Which class of fish are within the Ancient Jawed Fishes?
What are the Characteristics of the class Placodermi?
What are the Characteristics of the class Acanthodii?
What are some examples of organisms in the class Chondrichthyes?
What are the synapomorphies of organisms in the class Chondrichthyes?
What structure is present in the male of Chondrichthyes?
What are Synapomorphies of Teleostomi?
Class Actinopterygii are known to be what?
the most diverse group of vertebrates with 27,000 species
The Synapomorphies of Tetrapods are what?
Class Sarcopterygii are..?
Fleshy finned fishes.
What are some examples of the Class Sarcopterygii?
What are examples of Amphibians?
What are the Synapomorphies ( key features) of Amphibians?
What si the Synapomorphy of Amniota?
Their Embryo is surrounded by membranes (e.g., amnion).
What are the synapomorphies (key features) of the class mammalia?
What is a characteristic of class Reptilia?
It is not Monophyletic.
What are some organisms in the class Reptilia?