Phylum Chordata

Question 1

A chordate

Answer 1

An animal belonging to the the Phylum Chordata

Question 2

Consists of …. sub-phyla namely;

Answer 2

3..

Urochordata
Cephalochordata
Vertebrata

Question 3

Common features members of Phylum Chordata share with other animals;

In terms of cells
In terms of body layer
In terms of symmetry
In terms of segmentation

Answer 3

1. They are metazoan(i.e having many cells)
2. They are triploblastic(i.e having three cell body layers)
3. They are bilaterally symmetrical
4. They show a metameric segmentation of body plan

Question 4

Diagnostics (Generalized) Chordate Characteristics

In terms of internal skeleton
In terms of anal tail
In terms of pharynx
In terms of nerve cord
In terms of circulatory system

Answer 4

1. They possess notochord(a kind of internal skeleton)
2. They possess muscular post anal tail
3. Thy have a perforated pharynx (pharyngeal slits)
4. They have a dorsal hollow nerve cord(other animals have it on the ventral side instead)
5. They possess close circulatory system