-
What are the three characteristics of Chordates?
- 1. Notochord
- 2. Nerve Cord in Back
- 3. Slits in throat area
-
What is a subgroup in the phylum Chordata?
Vertebrates
-
All members of the Christenson phylum Chordata are called?
Chordates
-
True or false Most chordates are Vertebrae
Name five vertebrae chordates
- True
- Fishes, amphibians, such as frogs, reptiles, snakes.
-
Birds and mammals are vertebrate or invertebrate?
Vertebrate
-
How many chordates are in vertebrates??
A few
-
Name three things chordates will have at some point in their lives?
- 1. Not notochord
- 2. Nerve cord in back
- 3. Slits in throat area
-
Define notochord First characteristic of chordates
A flexible rod that supports a chordates back
-
Give one example of a chordate with a flexible rod
A lancelet
-
Define nerve cord in back 2nd Characteristic of chordate
It is the connection between the brain and the nerves on which messages travel back and forth
-
Define slits in throat area 3rd Characteristic of chordate
At some point in their lives chordates have slits in their throat area called pharyngeal, slits or gill slits.
-
What are the two characteristics of vertebrate
Backbone ,internal skeleton
-
Define backbone
A spine that runs down the center of the animals that
-
Define vertbrae
Line up in a row like beads on strings joints or movable connections between the vertebrae give the spine Flexibility
-
Define internal skeleton
I endoskeleton that protects the internal organs of the body, helps give the body shape, and gives muscles a place to attach.
|
|