Zoology Answers

Write notes accompanying each of the Porifera specimens about cell types, skeletal parts and canal system. (not a paragraph more than 5 lines) (5)

3. Which of these animals has a double circulatory system?

a. Fish

b. Frog

c. Dog

d. Sea squirt

e. Hagfish

3.2) Select the correct regions of the circulatory system from the list below and list them in the 

correct order to map the route that blood takes in the circulatory system of a reptile undergoing a complete right to left shunt.

A. Arterial part of pulmonary system

B. Arterial part of systemic system

C. Capillary beds in lungs

D. Capillary beds in body

E. Left atrium 

F. Left ventricle

G. Right atrium

H. Right ventricle

I. Venous part of pulmonary system

J. Venous part of systemic system

3.2) Distinguish between:

i) Closed (chambered) and open (peristaltic) circulatory systems

ii) Pulmonary and Systemic circulatory systems

iii) Arterial and Venous blood circulatory systems

Distinguish between binary fission and conjugation in paramecium and explain other protozoans reproduction.

a diagram of dichotomous key of protozoans of flatworms, monogenian, flukes and tapeworm

Draw up an dichotomous key in brief outline for the differentiation of all the protozoa

Make short notes to distinguish the characteristics of the various protozoan groups in the 

specimens given

Study the anatomical aspects of Metridium specimens and make short notes.

Write notes accompanying each of the Porifera specimens about cell types, skeletal parts 

and canal system. (not a paragraph more than 5 lines)