COURSE I FIRST SEMESTER

PHYLUM PROTOZOA(UNICELLULAR AND MOST PRIMITIVE ANIMALS)These are the most primitive organisms

(Protos = first; zoon = animal).

These are aquatic, microscopic, unicellular organisms.

Prof. S D Rathod

Class- Rhizopoda/ Sarcodina

Pseudopodia locomotory organelle Nucleus is single Example - Amoeba

Amoeba

Amoeba is fresh water form found in ponds and lakes.

They are asymmetric in shape. Amoeba has pseudopodia for

locomotion and feeding. Body consists of a single biconvex

nucleus, ectoplasm, endoplasm, contractile vacuole and food vacuole.

Class- Flagellata/ Mastigophora

Locomotory organelles ribbon like flagella

Nucleus is single and spherical cytoplasm contains photosynthetic

pigments Example – Euglena

Class- Sporozoa

Locomotory organelles are absent They are endoparasitic Example of Class – Sporozoa is

Plasmodium

Class- Ciliophora

Locomotory organelles are several hair-like cilia

Large meganucleus and a small micronucleus

Climbing Perch Migration

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